Binding Post Material 18-8 Stainless Steel Barrel Head Style Button Screw Head Style Button Thread Size M8-1.25 Barrel Length 25 mm Barrel Diameter 12 mm Barrel Thread Depth 11.5 mm Barrel Drive Type Socket Screw Length 10 mm Screw Drive Style Socket Finish Plain Barrel Head Diameter 21 mm Barrel Head Height 6 mm Material Quality Standards ASTM A582 Pack Size Small