Plews 70-625 Large Swivel Handle Filter Wrench Used for removing nuts, bolts and other fasteners Built with studded stainless steel band using an extra heavy duty construction The wrenches with their swivel handle design make removing hard-to-reach filters easy The filter is 3.5 to 3.8 inches in diameter Features a lock nut for setting angles and tightening handle and a tough non-slip grip