Hammer Drive Pin Anchor Anchor Diameter 3/16 in Overall Length 1 1/2 in Anchor Material Steel Finish Zinc Plated Head Type Flat Head Height 0.5625 in Head Diameter 0.4 in Drill Bit Size 3/16 in Minimum Installation Depth 1 1/4 in Drive Pin Anchor Type Vibration-Resistant Drive Anchors Compatible Material Block Concrete Stone Material Grade/Class 1038 Removable Removable System of Measurement Inch Manufacturer Location Globally Sourced Material Quality Standards ASTM E488