Slotted 3/16″, 2″ Power Bit, CardedFeaturesFits all standard multi-bit screwdrivers and power drills100% made in the U.S.A.Insert bits have a retaining ring notchPatented Combo Head tip ensures full fastener engagementMade from rugged S2M tool SteelCustom heat treated for strength and durabilityPower bits have a power locking grooveManufactured to tight tolerances to ensure accurate fit1/4″ hex body