International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. They are enough to fix the post base. Concrete Anchor For Wooden Posts Etokfoks 4x4 Post Base 2Pcs Stainless Steel Adjustable Anchor Bracket Internal 35x35 For Pavilion Deck Porch Handrail Railing Support Decorative Plate In The Shelving Brackets & Hardware Department At Steel Support Plate 1 plat effectively prevents corrosion of wooden posts. Secure wooden posts with the SPACEEUP 4x4 adjustable post base, made of durable stainless steel for pavilion, deck, and fence support. Easy to install, rust-resistant APPLICABLE SPECIFICATION---Inner diameter of the post bracket is 3., 74 x 5., 12. EASY TO INSTALLWe offer all necessary accessories and install kits. APPLICABLE SCENARIOS--- The product is used for pavilions, decks, mailboxes, fences and railings, which is suitable for many scenes such as home, garden, patio, etc. FIRM AND STEADY---Item size: 3., 15 x 3., 74 x 5., 17; Quantity: 2 Pcs; The post base is made of 2., 0 mm stainless steel, plated with fiber varnish on its surface. APPLICABLE SPECIFICATIONInner diameter of the post bracket is 3., 74x 3., 15. SPACEEUP 4x4 Post Base Black Square Brackets 3PCS Internal Size 3.5 X 3 Internal Size 3 5 X 3 5 Inch Heavy Duty Steel Deck Post Base Cover Fit For 4 X 4 Standard Wood Post Anchor Deck Base Plate SPACEUP Standoff Adjustable Post BaseStainless Steel Post Base Adjustable, perfect for 4 x 4 post. How To Set 4x4 Post In Concrete | Detroit Chinatown EASY TO INSTALL---We offer all necessary accessories and install kits.