QUALITY DESIGN: Deck railing brackets fit standard 2"x4" (Actually 1.5"x3.5") Wood deck railing, Has concealed railing brackets tightly attached to wood posts, Connection is Attractive and Strong STURDY MATERIAL: Deck railing connector is made of high strength 201 Stainless Steel (Thickness/0.08"), High temperature black powder coating treatment, Waterproof, Rust-proof, Can resist the erosion of wind and rain and high temperature in all seasons APPLICATIONS: Concealed Deck railing brackets can be used indoors and outdoors and can be installed on Deck railings, Fences, Barns and Beam ends; Kit includes all Bracket pieces and Screws for immediate installation SIZE SPECIFICATION: L 1.75"x W 1.57"x H 3.62" Qty: Bracket Pcs/24pack, Long Screws(1.58")/72Pack Short Screws(0.78")/96pack INSTALLATION STEPS: 1. Install the bracket in the pre-installed position of the Post and lock in the long screws; 2. Slide the two ends of the handrail into the joist, and then lock in the short screws on each side, that is, to complete the installation Notice: The 201 stainless steel is strong and durable, so you don't have to worry about it being attacked by rain or heat. The actual size of the installation is 1.5"x3.5", Due to the dryness and wetness of the wood, the wood may need to be sanded to match the bracket size during the installation.