75 in, Barrel Head Height 3/16 in, Dimensional Standards AMPG 2000 SB.-18, Barrel Length 3 in, Barrel Diameter 1/2 in, Barrel Thread Depth 3/4 in, Barrel Drive Type No Drive, Screw Drive Style Phillips, Finish Plain, Barrel Head Diameter 0.Architectural Sex Bolt, Material 18-8 Stainless Steel, Barrel Head Style Truss, Screw Head Style Flat, Thread Size 5/16 In.01, Grip Size 3 in, Includes 82 Degree Screw, Made in North America Yes, Material Quality Standards ASTM A582, Pack Size Small.