FastCap 09906 3-1/2-inches x 24-inches Black SpeedBrace Stealth 300LB, 4-Pack Made of thick 1/4-inch powder-coated steel Measures 24-inches x 3-1/2-inches Screw holes are countersunk into the brace for a flush installation A pair of braces can support up to 300 lbs. 9/16-inch Countersink for Powerhead Screws