![Westbury black 4" x 4" x 37" post kit. This is a product photo for aluminum handrail post.](http://deckandrailsupply.com/cdn/shop/products/4x37TBK_bd51c4c6-4f19-4126-99b8-01744d4827ac.png?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-Black4WestburyPostWCapFlair.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-4inch_westbury_Post_Kit_With_Cap_Flair_Black.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-Westbury4post47withlightedcap.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-4inch_westbury_Post_Kit_With_Cap_Flair_Bronze.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-Westbury4postblackwithlightedmagnalight37.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-4inch_westbury_Post_Kit_With_Cap_Flair_GlossWhite.jpg?v=1690230387&width=1946)
![](http://deckandrailsupply.com/cdn/shop/files/opt-Black4StairPost47westbury.jpg?v=1690230387&width=1946)
![Westbury Four Inch Aluminum Post Kit standard 4"x4"x47" in Black Fine Texture with cap and flair shown and mouting brackets](http://deckandrailsupply.com/cdn/shop/products/4x47TBK.png?v=1690230387&width=1946)
![White 4x4x37 post kit has a post cap and post flair in white fine texture made from all aluminum and stainless steel](http://deckandrailsupply.com/cdn/shop/products/4x4x37TWH.png?v=1690391242&width=1946)
![White 4x4x47 post kit has a post cap and post flair in white fine texture made from all aluminum and stainless steel](http://deckandrailsupply.com/cdn/shop/products/4x4x47TWH.png?v=1690391263&width=1946)
- Westbury Tuscany C10 (Aluminum Railing)
- Westbury VertiCable C80 (Vertical Cable Railing)
- Westbury CHR Continuous Handrail (ADA Grabrail)
Westbury 4 in. x 4 in. Post Kit (.125" wall)
- Estimated delivery: Aug 01 - Aug 05
-
Free shipping on orders over $4000
See all Westbury Products
4"x4" Post Kits w/ Cap & Flair for residential application, 36 in. handrail with a .125 in. thick aluminum wall. 4 in. Post Kit with welded base including a Cap and Skirt, Shims, in an easy-to-install leveling system. 37 in. level and 47 in. stair 4 in. Post Kit face mounts to the surface. Use 4 in. post kit for all Westbury Aluminum Railing Systems residential rail from C10 Tuscany, to C80 VertiCable,
Each 4 in. post kit requires 4 screws for installation. Use wood screws 4" or over for wood surface. Use concrete screws over 3" for concrete surface installation. Taller 47" posts are used for the bottom of any stair railing to accommodate for the riser variation. 47" posts can be cut to an appropriate height or left as is.
4 in. x4 in. x 37 in. Post Kit 73415 | 4 in. x4 in. x 47 in. Post Kit 73416
- Product ETA: 2 Weeks
- Shipping and Delivery varies based on location
- Nation wide orders may be completed UPS ground
- Large nationwide orders will be delivered via a 4'x8' pallet
- These order must be unloaded from the delivery truck
- Local orders (in the Kansas City area) are hand delivered
- Free Pick Up available at checkout
- We will provide all shipping information shortly after the purchase is completed
Westbury: C10 Tuscany Railing
![5 foot level rail c10 tuscany kit black fine texture](http://deckandrailsupply.com/cdn/shop/products/C10_5footLevel_TBL2.jpg?v=1677180464&width=533)
Tuscany 36 in. Level Aluminum Rail Kit
![Stair rail kit 6' tuscany c10 rail with fixed pitch stair brackets bronze](http://deckandrailsupply.com/cdn/shop/files/C10_6footStair_TBR2_112e3acc-c2ea-41de-9051-46532cd6bcdc.jpg?v=1706219581&width=533)
Tuscany 36 in. Stair Aluminum Rail Kit
![Product photo of Westbury 2" x 2" x 37" Textured Black aluminum handrail post. Two inches by Thirty Seven Inches.](http://deckandrailsupply.com/cdn/shop/products/2x37TBK_40bcdf04-a1c6-40de-9db3-6cdfd52fe256.png?v=1690233127&width=533)
Westbury 2 in. x 2 in. Residential Post Kit (0.90" Wall)
![Product photo of a 3" x 3" x 47" Westbury Textured Black aluminum handrail post. Three Inches by Forty Seven Inches. Cap and flair included](http://deckandrailsupply.com/cdn/shop/products/3x47TBK_21bd0186-47c3-42fc-aa0b-0e1169415e9b.png?v=1690232683&width=533)
Westbury 3 in. x 3 in. Residential Post Kit (0.95" Wall)
![Westbury black 4" x 4" x 37" post kit. This is a product photo for aluminum handrail post.](http://deckandrailsupply.com/cdn/shop/products/4x37TBK_bd51c4c6-4f19-4126-99b8-01744d4827ac.png?v=1690230387&width=533)
Westbury 4 in. x 4 in. Post Kit (.125" wall)
![Westbury Gate 36in. Tuscany C10 Adjustable](http://deckandrailsupply.com/cdn/shop/files/TuscanyGatedrawing.png?v=1693337271&width=533)
Westbury Gate 36in. Tuscany C10 Adjustable
![C10 Tuscany Textured Black Wall mount Product Photo](http://deckandrailsupply.com/cdn/shop/files/C10TBKWallMount-Back-Lighter_388cdc1e-0c58-4805-af2e-38ea51f55419.png?v=1690230854&width=533)
Rail Mount Bracket Kit
![36" Level Crossover Post in Black Fine Texture rail top meets in flush with post top for over-the-post level handrail](http://deckandrailsupply.com/cdn/shop/products/Level_CrossoverPostKit_Westbury.jpg?v=1713976727&width=533)
Westbury 2 in. x 2 in. Crossover Post Kit
![Touch-Up Spray Paint 4 oz.](http://deckandrailsupply.com/cdn/shop/files/Westbury4ozPaint.jpg?v=1706564433&width=533)
Touch-Up Spray Paint 4 oz.
![Westbury Drink Rail Adapter Kit](http://deckandrailsupply.com/cdn/shop/files/DrinkRailTBK.jpg?v=1707431434&width=533)
Westbury Drink Rail Adapter Kit
![Bracket Mount Template Tool](http://deckandrailsupply.com/cdn/shop/files/opt-20200204_132545.jpg?v=1683360190&width=533)
Bracket Mount Template Tool
![Top Rail End Cap for Crossover | Westbury](http://deckandrailsupply.com/cdn/shop/files/EndCapBackTBK.jpg?v=1707431350&width=533)
Top Rail End Cap for Crossover | Westbury
Westbury: C80 VertiCable Railing
![C80 VertiCable Rail Cable Aluminum Handrail picket cable railing by westbury black rail and rail post balusters](http://deckandrailsupply.com/cdn/shop/products/VertiCableC80MainProfile_1280.jpg?v=1715290071&width=533)
Westbury C80 VertiCable Level 36 in. Cable Rail Kit
![Black Fine Texture 36 Inch VertiCable Railing with 36 in C80 Rail kits and posts on beautiful back deck](http://deckandrailsupply.com/cdn/shop/files/20190614_123723.jpg?v=1715286029&width=533)
Westbury C80 VertiCable Stair 36 in. Cable Rail Kit
![Product photo of Westbury 2" x 2" x 37" Textured Black aluminum handrail post. Two inches by Thirty Seven Inches.](http://deckandrailsupply.com/cdn/shop/products/2x37TBK_40bcdf04-a1c6-40de-9db3-6cdfd52fe256.png?v=1690233127&width=533)
Westbury 2 in. x 2 in. Residential Post Kit (0.90" Wall)
![36" Level Crossover Post in Black Fine Texture rail top meets in flush with post top for over-the-post level handrail](http://deckandrailsupply.com/cdn/shop/products/Level_CrossoverPostKit_Westbury.jpg?v=1713976727&width=533)
Westbury 2 in. x 2 in. Crossover Post Kit
![Product photo of a 3" x 3" x 47" Westbury Textured Black aluminum handrail post. Three Inches by Forty Seven Inches. Cap and flair included](http://deckandrailsupply.com/cdn/shop/products/3x47TBK_21bd0186-47c3-42fc-aa0b-0e1169415e9b.png?v=1690232683&width=533)
Westbury 3 in. x 3 in. Residential Post Kit (0.95" Wall)
![Westbury black 4" x 4" x 37" post kit. This is a product photo for aluminum handrail post.](http://deckandrailsupply.com/cdn/shop/products/4x37TBK_bd51c4c6-4f19-4126-99b8-01744d4827ac.png?v=1690230387&width=533)
Westbury 4 in. x 4 in. Post Kit (.125" wall)
![C10 Tuscany Textured Black Wall mount Product Photo](http://deckandrailsupply.com/cdn/shop/files/C10TBKWallMount-Back-Lighter_388cdc1e-0c58-4805-af2e-38ea51f55419.png?v=1690230854&width=533)
Rail Mount Bracket Kit
![Bracket Mount Template Tool](http://deckandrailsupply.com/cdn/shop/files/opt-20200204_132545.jpg?v=1683360190&width=533)
Bracket Mount Template Tool
![Westbury Drink Rail Adapter Kit](http://deckandrailsupply.com/cdn/shop/files/DrinkRailTBK.jpg?v=1707431434&width=533)
Westbury Drink Rail Adapter Kit
![Touch-Up Spray Paint 4 oz.](http://deckandrailsupply.com/cdn/shop/files/Westbury4ozPaint.jpg?v=1706564433&width=533)
Touch-Up Spray Paint 4 oz.
![Top Rail End Cap for Crossover | Westbury](http://deckandrailsupply.com/cdn/shop/files/EndCapBackTBK.jpg?v=1707431350&width=533)
Top Rail End Cap for Crossover | Westbury
![four inch sdws timber screw side profile from simpson](http://deckandrailsupply.com/cdn/shop/files/F_SDWS22400DB_4InScrew.jpg?v=1684266869&width=533)