Tamper Screw, Head Type Round, Material Steel, Finish Zinc Plated, Drive Tri-Groove, Thread Size #10-24, Fastener Length 1 1/2 in, Head Width 0.37 in, Head Height 0.148 in, Drive Size #10, Pack Size Small, Type Tamper Screw, System of Measurement Inch, Thread Type Coarse, Package Quantity 25