Hammer Drive Pin Anchor Anchor Diameter 3/16 in Overall Length 3 in Anchor Material Steel Finish Zinc Plated Head Type Flat Head Height 0.109375 in Head Diameter 0.37 in Drill Bit Size 3/16 in Minimum Installation Depth 7/8 in Drive Pin Anchor Type Steel Drive Anchors Compatible Material Concrete Material Grade/Class Heat Treated Removable Permanent System of Measurement Inch Manufacturer Location Globally Sourced Industry Standards UL Listed VFXT. EX1289