Bondhus 33645 6-Inch ProHold Socket Bits w/o Sockets, sizes 5/16-5/8", set of 5 5/16, 3/8, 1/2, 9/16, 5/8” * Bits fit any standard six point socket * Bits are suitable for use with impact sockets * Chamfered tool tips eliminate burrs and help tools seat in screw head * Sharp corners transfer more torque to the screw and reduce stripping * Precision machined for ease of use and superior fit * ProGuard™ finish delivers superior corrosion protection