Designed to install and remove AMSOIL Ea Oil Filters in hard-to-reach locations, this easy-to-use 93 mm filter wrench with 3/8” square drive is recommended for use with the following filters: EAO11, EAO15, EAO21, EAO24, EAO26, EAO27, EAO31, EAO40, EAO42, EAO52, EAO59, EAO80, EAO98. Once filter is hand-tightened, only wrench-tighten 3/4 of a full turn. 93mm x 15 Flute