Binding Post Material Aluminum Barrel Head Style Rivet Screw Head Style Truss Thread Size #8-32 Barrel Length 1 in Barrel Diameter 13/64 in Barrel Thread Depth 3/8 in Barrel Drive Type No Drive Screw Length 1/4 in Screw Drive Style Slotted Finish Plain Barrel Head Diameter 0.406 in Barrel Head Height 1/16 in Includes Slotted Truss Head Screw Made in North America No Pack Size Small Package Quantity 25