Apex SF-1116 Inch Hex 6-Point Surface Drive Standard Length 1/4" Square Drive 1/2" Hex Power Socket Tool Side - Drive Size: 1/4" Square Drive Fastener Side - Drive Size: 1/2" Hex Socket Overall Length (OAL): 1" (25mm) Features Impact Rated; Meets or Exceeds Proof Torque Requirement for Impact Standard ASME B107.112 High-Carbon Alloy Steel and Proprietary Heat Treat Process Yields Greater Strength and Longer Life Cutting-edge Machining Process Allows Apex to Meet or Exceed Licensor Standards, Resulting in Tighter Tolerances and Superior Product Consistency Better and More Consistent Fit to Fasteners Leads to Better Torque Transfer Surface Drive- Large openings on the six corners of the hex end opening create a "floating" action that allows teh socket to slip quickly and easily onto the nut or bolt. Ideal for compensating for imperfect alignment between the tool and fastener. Click Here to view similar options Minimum Order Quantity: 12