PSU912M Universal Socket Sets, 9 Pcs, Impact, 1/2" Drive Size Hoses with Fittings Four 20V Max batteries in

Four 20V Max batteries in (including FlexVolt)

K9™ jaw technology allows teeth to bite in an arc of 30 degrees for greater access in tight spaces

These chucks have a built-in shutoff valve and will not work on inflator gauges

Taps and Dies are heat treated to Rockwell C58-C61

PSU912M Universal Socket Sets, 9 Pcs, Impact, 1/2" Drive Size Hoses with Fittings Four 20V Max batteries inMade from the best quality SAE 4140 Chrome Molybdenum high impact steel heavy duty flexible joints allow easier access to fasteners in hard to reach areas TORQUE DRIVE socket design contacts the fastener on the sides instead of the corners, reducing fastener rounding and allowing up to 20% more torque Chamfered edges allow easiest socket placement on fastener, increasing productivity and reducing frustration Reinforcement ring ensures maximum strength