Quick Overview
This wrench is designed to be used for drain plugs on differentials, transmission (auto/manual), transfer cases, and engines. Designed to fit the two most common female drain plug sizes: 3/8" and 1/2" square. Adding a socket to the wrench allows it to be used on male hex drain plugs. Wrench can also be used on serpentine belt tensioners with female 3/8" or 1/2" drive.