Malco  4IN1 4 in 1 Nut Driver with 3 Position Combinations and 4 Hex Sizes Quick-release shafts, with a positive lock, remain secured in position when applying in-line pressure during use Hardened chrome vanadium steel sockets offer sure fastener engagement and control Comfortable 3-lobe handle is made of high-torque ABS plastic and features a non-slip TPR over-molded grip 3 position combinations 4 hex sizes