The #12 universal half-circle replacement metal wrench is an unbreakable steel filter housing wrench. No arm strength? No problem. The universal half-circle housing wrench, which as an inside diameter of 4.5", makes loosening even the toughest housing easy.

Constructed of strong zinc-plated, galvanized steel, it will not bend, break, or bow. The long handle provides a better grip and leverage. Made in the USA.