FEATURES: 1266 & 7463 Gland Nut Wrench: Replace OTC 1266 & 7463. 1266 Adjustable Gland Nut Wrench fits 51 to 152mm (2 to 6») diameter gland nuts. Reversible to fit 1/4» and 5/16» diameter pinholes. Suitable for Case 580/580 ck/580D/580 SE/480E/780 Backhoe, 1150h dozer1 Bobcat cylinders, Hyd Cyl, ect. 7463 Small Universal Gland Wrench fits 25-95mm (1” to 3-3/4”) gland nuts. Reversible to fit 1/4» and 7/32» pinholes. Designed to tackle gland nuts of cylinders on most farm and construction equipment, agricultural loaders, compact tractor loaders, skid steer loaders, backhoe and hydraulic machinery. .