Crown Bolt 10720 1/4 Inch x 1-1/2 Inch Stainless Steel Hex-Head Lag Screws, 25-Count Stainless steel 1/4 inch x 1-1/2 inch lag screws hex head For wood applications 1/4 inch body diameter and thread pitch 1-1/2-inch fastener length Stainless Steel Finish Offers Rust-Oleum Certified Rust Protection