This adjustable-torque wrench is used to loosen and tighten hex head fasteners. Available with or without socket. The handle is made from heat-treated 4140 alloy steel with a painted orange finish. The ratchet is made from heat-treated 4115 steel, carburized treated and with a black oxide finish. The adaptor is made from heat-treated 4137 steel with a black oxide finish. Optional socket is made from chrome plated Cr-V steel.