Application Universal hydraulic cylinder spanner wrench works on most farm and construction equipment, fits for Case 480E/580/580D/580 SE/580 ck/180 Backhoe, Case 1150h dozer, Bobcat cylinders, Hyd Cyl and etc. Superior Quality Constructed from high quality Steel, this tool ensures high strength, great tolerance and resistance to corrosion and rust. It features its durable construction and versatility. Nice Design Offers customized fit to the gland nuts from 2 inches to 6 inches diameter and is Reversible to fit 1/4 inch as well as 5/16 inch diameter pinholes. .