--- product_id: 380112225 title: "Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor" brand: "spaceeup" price: "£206.25" currency: GBP in_stock: false reviews_count: 5 category: "Spaceeup" url: https://www.desertcart.co.uk/products/380112225-post-base-3-5-3-5-heavy-duty-post-base store_origin: GB region: United Kingdom --- # fits 3.5"x3.5" wood posts matte black powder coating 2.0mm thick steel Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor **Brand:** spaceeup **Price:** £206.25 **Availability:** ❌ Out of Stock ## Summary > 🖤 Elevate your outdoor projects with strength and style—don’t let your deck settle for less! ## Quick Answers - **What is this?** Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor by spaceeup - **How much does it cost?** £206.25 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/380112225-post-base-3-5-3-5-heavy-duty-post-base) ## Best For - spaceeup enthusiasts ## Why This Product - Trusted spaceeup brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Perfect Fit Precision:** Designed for standard 4x4 wood posts (3.5"x3.5") ensuring seamless installation. - • **Rock-Solid Durability:** Crafted from 2.0mm thick steel for unmatched stability and longevity. - • **Sleek Matte Black Finish:** Powder-coated to resist rust and elevate your outdoor aesthetic. - • **Versatile Outdoor Support:** Ideal for decks, pavilions, fences, and railings—secure your space with confidence. - • **All-Inclusive Installation Kit:** Comes with bolts, screws, wrench, and clear manual—no extra trips to the hardware store. ## Overview The SPACEEUP Post Base is a heavy-duty, powder-coated steel bracket designed to securely anchor 3.5"x3.5" wood posts. With a robust 2.0mm thickness and a matte black finish, it offers superior rust resistance and stability. Each pack includes five bases plus all necessary hardware and a wrench for quick, hassle-free installation. Perfect for enhancing the durability and look of decks, pavilions, fences, and railings. ## Description SPACEEUP 4"×4" Post BaseThe post base chooses thick steel as raw material with powder coated processing, which is suitable for 3.5x3.5" standarded size post support bracket, porch railing support, fence post base, hand rails support, etc.key FeaturesFIRM AND STEADYThe post base is made of 2.0 mm thick steel, plated with black powder. It can prevent the post anchor from rusting, which is stable enough to support the bottom of the post and improve its service life.4x4 POST BASEInner diameter of the post bracket is 3.6x3.6 inches. The post base is used for standarded 4x4 wood posts (actual 3.5"x 3.5" dry post on market).EASY TO INSTALLConcise manual is offered. Each post base bracket has eight holes on the body and four holes on the bottom. You can easily use the bolts and screws we provided to install the 4x4 brackets in concrete with 0.5" diameter anchors.ADEQUATE ACCESSORIESA wrench, 20 x 3/8 Expansion Bolt and 40 x Self-tapping Screws are supplied. They are enough to fix the post base. So you do not need to buy other accessories.APPLICABLE SCENARIOSOur post bases are specially designed for porches, pavilions, decks, mailboxes, fences and railings, etc.Specifications Color: BlackMaterial: Powder Coated Steel Quantity: 5 PCsProduct Size: 6.4 x5.4x3.6" / 16.3x13.7x9.1 cmInner Diameter: 3.6x3.6" / 9.1x9.1 cmPackage Content 1xPost Base20x3/8 Expansion Bolt40xSelf-tapping Screw1xWrench 1xUser Manual Review: Good quality at a great price Review: Bracket are ok, hardware sucks. ## Features - FIRM AND STEADY---Item size: 6.4x3.6x5.4"(LxWxH); Quantity: 5Pcs; The post base is made of 2.0 mm thick steel, plated with black powder. It can prevent the post anchor from rusting, which is stable enough to support the bottom of the post and improve its service life. - 4x4 POST BASE---Inner diameter of the post bracket is 3.6x3.6 inches. The post base is used for 4x4 wood posts (actual 3.5"x3.5" dry post on market). Attention: Before you buy it, please confirm the size of wood post. - EASY TO INSTALL---Concise manual is offered. Each post base bracket has eight holes on the body and four holes on the bottom. You can easily use the bolts and screws we provided to install the 4x4 brackets in concrete with 0. 5" diameter anchors. - ADEQUATE ACCESSORIES---A wrench, 20x3/8 Expansion Bolt and 40xSelf-tapping Screws are supplied. They are enough to fix the post base. So you do not need to buy other accessories. - APPLICABLE SCENARIOS---Our post bases are specially designed for porches, pavilions, decks, mailboxes, fences and railings, etc. Their solid quality can do what they can do. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0913GPCQ2 | | Brand | SPACEEUP | | Brand Name | SPACEEUP | | Colour | Black | | Country of Publication | USA | | Customer Reviews | 4.4 out of 5 stars 47 Reviews | | Finish Type | Matte Black | | Included Components | screws | | Item Depth | 5.4 inches | | Item Dimensions | 15.2 x 9.9 x 9.9 Centimeters | | Item Height | 3.9 Inches | | Item Weight | 5.85 Kilograms | | Item dimensions L x W x H | 15.2 x 9.9 x 9.9 Centimeters | | Manufacturer | SPACEUP | | Material | Iron, Wood | | Material Type | Iron, Wood | | Model Number | LJJDZ4X4LZDZ4PCS | | Product Finish Type | Matte Black | | UPC | 601707190218 | | Unit Count | 5 Count | ## Product Details - **Brand:** SPACEEUP - **Colour:** Black - **Item Weight:** 5.85 Kilograms - **Item dimensions L x W x H:** 15.2 x 9.9 x 9.9 Centimeters - **Material:** Iron, Wood ## Images ![Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor - Image 1](https://m.media-amazon.com/images/I/71+oZ2awtBL.jpg) ![Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor - Image 2](https://m.media-amazon.com/images/I/71HLs-+L75L.jpg) ![Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor - Image 3](https://m.media-amazon.com/images/I/71WdqcYhmkL.jpg) ![Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor - Image 4](https://m.media-amazon.com/images/I/71dpaxGEjuL.jpg) ![Post Base 3.5''×3.5'' Heavy Duty Post Base 5pcs Black Cover Wood Post Anchor Deck Base Plate for Pavilion Deck Railing Support Trim Anchor - Image 5](https://m.media-amazon.com/images/I/71vth7t4vsL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality at a great price *by D***X on 17 August 2025* ### ⭐⭐⭐ Bracket are ok, hardware sucks. *by R***Z on 26 February 2024* ### ⭐⭐⭐⭐⭐ Exactly what I wanted *by M***A on 10 February 2025* ## Frequently Bought Together - SPACEEUP 4×4 Post Base 5 Pcs, Inner Size 3.6"x3.6" Post Base Brackets, Heavy Duty Powder-Coated Post Anchor Matte Black Wood Post Brackets for Pavilion Deck Railing Support Deck Base Plate - Concrete & Masonry Professional Drill Bit Set (5PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbide Drill Bit Tip, 1/4"-1/2" by TITGGI - Anrik 3/8 inch x 3-3/4 inch - 20 Pieces Wedge Anchor Zinc Plated Heavy Duty Fastener for Concrete --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/380112225-post-base-3-5-3-5-heavy-duty-post-base](https://www.desertcart.co.uk/products/380112225-post-base-3-5-3-5-heavy-duty-post-base) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*