Adjustable, Universal Oil Filter Wrench With 3 Jaws, Expands Up To 4 Inches, 3/8" Drive T1A-A1004 Expandable claw design automatically tightens when torque is applied. Unique, patented ratcheting 3-jaw, 2-way mechanism. Removes oil filters ranging in size from 1-1/2 inch to 4 inch. Use with any 3/8-inch drive ratchet for extra torque. Compact, low-profile design allows for tight gripping in low clearance areas. Universal sizing for all passenger and light-duty pickup vehicles.