Binding Post Assembly, Material Stainless Steel, Barrel Head Style Truss, Screw Head Style Truss, Thread Size #8-32, Barrel Length 3 in, Barrel Diameter 1/4 in, Barrel Thread Depth 5/8 in, Barrel Drive Type Unslotted, Screw Length 3/4 in, Screw Drive Style Phillips, Finish Plain, Barrel Head Diameter 1/2 in, Barrel Head Height 1/8 in, Dimensional Standards AMPG 2000 SB.01, Grip Size 3 in, Includes 82 Degrees Screw, Made in North America Made in North America, Material Grade/Class 316