Binding Post and Screw Finish Plain Material 18-8 Stainless Steel Barrel Head Style Truss Barrel Drive Type Tamper-Resistant Torx Thread Size 5/8 In.-11 Barrel Length 1 in Barrel Diameter 3/4 in Barrel Thread Depth 3/4 in Barrel Head Diameter 1 1/16 in Barrel Head Height 3/8 in Grip Size 2 1/2 in Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small