Binding Post Finish Plain Material 18-8 Stainless Steel Barrel Head Style Truss Barrel Drive Type Tamper-Resistant Torx Thread Size 3/8 In.-16 Barrel Length 1 in Barrel Diameter 1/2 in Barrel Thread Depth 5/8 in Barrel Head Diameter 7/8 in Barrel Head Height 1/4 in Grip Size 1 1/4 in Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small