DeWALT Impact Ready DW2220IR Nut Driver, 3/8 in Drive, 1-7/8 in L, 1/4 in L Shank, Hex Shank

For use in impact drivers and wrenches; industrial strength magnet maximizes fastener retention. Impact Ready socket Adapters can withstand up to 2000 in-lb of torque; for high-torque applications.