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LMT Mercer Group Post Caps

A small section of vinyl railing provides safety near concrete steps, while Neptune LED Post Caps from LMT Mercer gently light the surrounding area
A leader in the deck industry, LMT Mercer blends a wide variety of models and sizes with complete ease of installation. Using their innovative plug-and-play wiring system, adding lights has never been simpler. Find the style and size that suits your project below!
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Color / Finish
  1. Black (27)
  2. White (33)
  3. Bronze (20)
  4. Copper (20)
  5. Browns/Tans (20)
  6. Greens (20)
  7. Grays (20)
Color Temperature
  1. 3000K Warm White (11)
  2. 5000K Cool White (18)
Material
  1. Vinyl (24)
  2. Acrylic (11)
Post Cap Opening Size
  1. 2" to 2-5/8" (6)
  2. 3" to 3-1/4" (5)
  3. 3-1/2" to 3-5/8" (14)
  4. 4" to 4-3/8" (34)
  5. 4-1/2" to 4-5/8" (11)
  6. 5" to 5-1/8" (24)
  7. 5-1/2" to 5-3/4" (9)
  8. 6" to 6-3/16" (10)
Power Type
  1. 12v LED Solar (8)
  2. 12v DC - LED (23)
Manufacturer
  1. LMT Mercer Group (35)
Price
  1. $0.00 - $9.99 (4)
  2. $20.00 - $29.99 (23)
  3. $30.00 and above (8)

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Set Descending Direction

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  • Ornamental Combination Low Voltage Post Cap by LMT Mercer - Matte Black 2"

    Ornamental Combination Cool White LED Post Cap Light by LMT Mercer

    Starting at: $38.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Combination Warm White LED Post Cap Light by LMT Mercer - 4" White Lit

    Ornamental Combination Warm White LED Post Cap Light by LMT Mercer

    Starting at: $38.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Post Cap by LMT Mercer - 4" White

    Cape May Post Cap by LMT Mercer

    Starting at: $4.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Low Voltage LED Post Cap Light by LMT Mercer - 3-5/8" White

    Cape May Cool White LED Post Cap Light by LMT Mercer

    Starting at: $25.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Downward Warm White LED Post Cap Light by LMT Mercer - 4" White Lit

    Cape May Downward Warm White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Downward Low Voltage Post Cap Light by LMT Mercer - White

    Cape May Downward Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Post Cap by LMT Mercer - 4-1/16" White

    Haven Post Cap by LMT Mercer

    Starting at: $4.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Low Voltage LED Post Cap Light by LMT Mercer - White

    Haven Cool White LED Post Cap Light by LMT Mercer

    Starting at: $24.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Warm White LED Post Cap Light by LMT Mercer - 4-1/2" White Lit

    Haven Warm White LED Post Cap Light by LMT Mercer

    Starting at: $24.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Downward Low Voltage Post Cap Light by LMT Mercer - White

    Haven Downward Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Post Cap by LMT Mercer - 4-1/16" White

    Neptune Post Cap by LMT Mercer

    Starting at: $4.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Low Voltage LED Post Cap Light by LMT Mercer

    Neptune Cool White LED Post Cap Light by LMT Mercer

    Starting at: $24.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Warm White LED Post Cap Light by LMT Mercer - 5" White Lit

    Neptune Warm White LED Post Cap Light by LMT Mercer

    Starting at: $24.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Downward Low Voltage Post Cap Light by LMT Mercer - White

    Neptune Downward Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Post Cap by LMT Mercer - Black 2"

    Ornamental Post Cap by LMT Mercer

    Starting at: $4.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Low Voltage Post Cap by LMT Mercer - Black 2"

    Ornamental Halo Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Halo Warm White LED Post Cap Light by LMT Mercer - 4" Black Lit

    Ornamental Halo Warm White LED Post Cap Light by LMT Mercer

    Starting at: $29.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Downward Low Voltage Post Cap by LMT Mercer - Black 2"

    Ornamental Downward Cool White LED Post Cap Light by LMT Mercer

    Starting at: $22.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Solar Post Cap Light by LMT Mercer - White

    Cape May Solar Post Cap Light by LMT Mercer

    Starting at: $31.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Scallop Lens Low Voltage Post Cap Light by LMT Mercer - 4-1/16" White

    Cape May Scallop Lens Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Scallop Lens Solar Post Cap Light by LMT Mercer

    Cape May Scallop Lens Solar Post Cap Light by LMT Mercer

    Starting at: $32.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Solar Collecting Post Cap by LMT Mercer - White

    Cape May Solar Collecting Post Cap with Accessory Connection by LMT Mercer

    Starting at: $20.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Solar Post Cap Light by LMT Mercer - White

    Neptune Solar Post Cap Light by LMT Mercer

    Starting at: $31.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Scallop Lens Solar Post Cap Light by LMT Mercer - White

    Neptune Scallop Lens Solar Post Cap Light by LMT Mercer

    Starting at: $32.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Downward Solar Post Cap Light by LMT Mercer - White

    Neptune Downward Solar Post Cap Light by LMT Mercer

    Starting at: $32.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Solar Collecting Post Cap by LMT Mercer - White

    Neptune Solar Collecting Post Cap with Accessory Connection by LMT Mercer

    Starting at: $20.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Downward Solar Post Cap Light by LMT Mercer - White

    Cape May Downward Solar Post Cap Light by LMT Mercer

    Starting at: $32.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Ornamental Downward Warm White LED Post Cap Light by LMT Mercer - 3-1/2" Lit

    Ornamental Downward Warm White LED Post Cap Light by LMT Mercer

    Starting at: $22.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Scallop Lens Warm White LED Post Cap Light by LMT Mercer - 4" White Lit

    Neptune Scallop Lens Warm White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Scallop Lens Low Voltage Post Cap Light by LMT Mercer - 4-1/16" White

    Neptune Scallop Lens Cool White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Neptune Downward Warm White LED Post Cap Light by LMT Mercer - 5" White Lit

    Neptune Downward Warm White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Scallop Lens Warm White LED Post Cap Light by LMT Mercer - 4" White

    Haven Scallop Lens Warm White LED Post Cap Light by LMT Mercer

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details

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Not Sure Where to Start?

DecksDirect is dedicated to the builder in all of us. That's why we built this resource section just for you, with resources that will empower you with the information and confidence you need to succeed in your deck project. From expert advice to color samples or getting a FREE post cap quote, we've got you covered.

  • Talk to a Specalist

    Talk to a Specialist

    Kaja is one of our post cap specialists and is here to help you with your project.

    Contact a Specialist  View all Team Members 
  • Getting Started

    Getting Started

    Get ideas and inspiration before choosing your post caps.

    Image Gallery 
  • post cap samples

    Choosing Post Caps

    Not sure what color to choose? Many post cap brands offer color samples; order yours today!

    Order Samples 
  • Design & Quote

    Free Quote

    Design your project with our specialist. When you're ready, get a custom quote.

    Get a Quote 
  • Post Cap Warranty

    Warranty Information

    See how different post cap manufacturers stack up on our manufacturer warranties page.

    View Warranties 

Have questions? Call us toll free at 1-888-824-5316. Get live support Monday through Friday, 7 a.m. to 5:30 p.m. CST.

Not done shopping? If you need to add more items to your order, continue shopping on our homepage.

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  • Get live support Monday through Friday, 7 a.m. to 5:30 p.m. CST. Call us toll free: 1-888-824-5316
  • If you need to add more items to your order, return to our homepage to keep shopping.
  • You may return new items in resellable condition within one year of purchase. See our Return Policy for details and restrictions.
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