Heavy-Duty Swivel Grip. Range 4 3/4 to 5 3/16. This filter wrench fits most John Deere tractors. Also works on some Case, Case/IHC, Allis Chalmers tractors and other farm implement products. Swivel Grip handle makes it easy to turn in tight spots. Tough, stainless steel band with special teeth for extra gripping power won"t slip. Handle is made of tubular steel for added strength.