Hammer Drive Pin Anchor Anchor Diameter 3/8 in Overall Length 6 in Anchor Material Steel Finish Zinc Plated Head Type Round Head Height 0.21875 in Head Diameter 0.75 in Drill Bit Size 3/8 in Minimum Installation Depth 1 3/4 in Drive Pin Anchor Type Vibration-Resistant Drive Anchors Compatible Material Block Concrete Stone Material Grade/Class 1038 Removable Permanent System of Measurement Inch Manufacturer Location Globally Sourced Material Quality Standards ASTM E488