The DWADEND-2 Impact Ready Double Ended Detachable Nut Drivers Set offers exceptional performance and versatility for extreme-torque applications. The detachable sockets allow for easy cleaning and are reversible for added versatility. The industrial-strength magnet offers maximum fastener retention, and the advanced hardening process means they can withstand the power of an impact driver. Set includes popular 1/4", 5/16", 3/8" and 7/16" hex drive sizes.