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. 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. Fast and simple to install, impossible to mess up. Simply fit the 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. (1) 1266 Adjustable Gland Nut Wrench (1) 7463 Adjustable Gland Nut Wrench, (4) Hex Wrenches, (8) Pins, (1) Pair of Gloves, (1) Microfiber towel. Constructed of premium-grade steel. Strong welds and and well-polished edges provide smooth operation. Great protection for both seal and cylinder. Material: Plastic coated steel colour: As shown Package Contents: 1 set x spanner wrench set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.