Fitment: Universal Description: 1266 Adjustable Gland Nut Wrench: Fit to gland nut from 2″-6″ in diameter. Reversed to fit 1/4″ or 5/16″ in diameter pinholes. Use with 3/4″ drive ratchet. Fit hydraulic cylinders on most farm and construction equipment, Case 480E/580/580D/580 SE/580 ck/180 Backhoe, Case 1150h dozer, Bobcat cylinders, Hyd Cyl and etc. 7463 Small Adjustable Gland Nut Wrench： Fit to gland nut from 1″ to 3-3/4″ in diameter. Reversed to fit 1/4″ or 7/32″ inch diameter pinholes. Use with 1/2″ drive ratchet. .