1/2" Dr 6Pt, PINLESS Universal Impact Socket, 22mm Pinless 4-lug design for increased strength resulting in extended socket life. True 360 degree movement extends traditional range of motion resulting in a maximum 30 degree operating angle for increased access to restricted fasteners. Socket wall dimensions are optimized to provide strength while retaining access to restricted fasteners. Manufactured from chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability. Surface drive™ technology reduces fastener rounding. Hard stamped size markings for long identification life. Meets or exceeds ASME B107.110-2012. Made in USA Yes. SAE/Metric/Torx Metric. ASME Specification B107.110-2012. Fastener Size 22 mm. Drive Type 6 Point. Drive Tang Size 1/2 in. Length Format Standard. Dim. A: Drive End 1.220 in. Dim. C: Overall Length 3.173 in. Dim. D: Bolt Clearance 1.031 in. Dim. E: Wrench Depth 1.031 in. Dim. B: Wrench End 1.268 in. Magnetic No. Finish Black Oxide 84680