Designed to install and remove AMSOIL Oil Filters and Motorcycle Oil Filters in hard-to-reach locations, this easy-to-use 74 mm filter wrench with 3/8” square drive is recommended for use with the following filters: EAOM132, EAOM132C, EAOM133, EAOM133C, EAOM137C and EA15K20. Once filter is hand-tightened, only wrench-tighten 3/4 of a full turn.