Perfect Fitment Suitable for removing the head on many brands of hydraulic cylinders typically found on agricultural loaders, compact tractor loaders, and skid steer loaders. 1266 Adjustable Gland Nut Wrench Fits big gland nuts ranging from 2"-6" in diameter. Reversible to fit 1/4 inch and 5/16 inch diameter pinholes. 7463 Adjustable Gland Nut Wrench Fits small gland nuts ranging from 1" – 3-3/4" in diameter. Completely adjustable and can be reversed to use on 1/4" or 7/32" in diameter. Superior Quality .