Milwaukee 49-66-5156 SHOCKWAVE Lineman’s 3/8” Drive 6mm Hex Bit Socket The Milwaukee 49-66-5156 SHOCKWAVE Lineman’s 3/8” Drive 6mm Hex Bit Socket is designed to be the most durable, providing the best access into tight spaces. Their 1-piece design helps these hex bit sockets to better withstand the torque of power tools. A 1-3/4” hex fastening depth allows these bits to fit the most common connections and hardware that utilities and electricians encounter.

The Milwaukee 49-66-5156 SHOCKWAVE Lineman’s 3/8” Drive 6mm Hex Bit Socket profile is more compact compared to some competitive hex bit sockets and will fit more connections.