Fomei Corner Brace Set - Stainless Steel Brace Corner Steel Joint Right Angle Bracket Fastener, L Shaped Corner Fastener Joints Support Bracket, 16 Pieces Screws (40 X 40 mm) [Rust-Resistant Material]: Fomei bracket fasteners are made of zinc-plated steel, screws are made of stainless steel, rust-resistant and durable, can serve for a longer time. [Matching Screws]: the screw shank is 4 mm in diameter and 20 mm/ 0.79 inch in length; Use a drill bit while drilling these screws into woods. [Wide Application]: 90 Degree angle bracket, can be used to build a frame, serve as a corner connected, like fastening chair, wooden table, wooden bed, windows, shelf, furniture, device etc. [Precise Size]: 40 * 40 * 16 mm / 1.55 * 1.55 * 0.65 inch; Mount Hole Diameter: 5mm/ 0.2"; Hole Quantity: 4 Holes. [Package Include]: 16 x Angle Brackets, 64 x Phillips Flat Screws.Please feel free to contact us when you meet any questions, you can contact us for a free replacement or 100% MONEY BACK GUARANTEE.