Suitable for Case 580/580 /580D/580 SE/480E/780 Backhoe, 1150h dozer1 cylinders, Hyd Cyl, .7463 Small Universal Gland Wrench fits 25-95mm (1 inch to 3-3/4 inch) gland nuts. Reversible to fit 1/4 inch and 7/32 inch 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. [1266 & 7463 Gland Nut Wrench] Replace 1266 & 7463. 1266 Adjustable Gland Nut Wrench fits 51 to 152mm (2 to 6 inch) diameter gland nuts. Reversible to fit 1/4 inch and 5/16 inch diameter pinholes. [Hydraulic Seal Installer] Hydraulic Seal Installation Tools is a quick and safe installation tool for flexible rod seals. 3 sizes to cover most rod seal installation job from 0.87 inch up (Rod Diameters): (S) 22-40mm (0.87 inch-1.57 inch Rod) gland hole ; (M) 40-70mm (1.57-2.75 inch Rod) gland hole; (L) 70-165mm (2.75 inch-6.49 inch Rod) gland hole. [Efficient Work] Fast and simple to install, impossible to mess up. For Hydraulic Seal Installer: Simply put the seal in it in seconds, smoothly rotate the arm of Hydraulic tool to bend the seal to a Kidney Bean shape and insert the seal to the cylinder groove. For Gland Nut Wrench: Simply fit the adjustable spanner wrench to the pinholes. Use the 3/4 inch(for 1266) / 1/2 inch(for 7463) square drive provided and breaker bar to loose and remove gland nut., Weight: 4.188782978 Pounds, Manufacturer: Hipzeepo