Adjustable gland nut socket are engineered to fit and work with hydraulic cylinders in construction and farm equipment scenarios and vehicles having gland nuts Adjustable Gland Nut Wrench Offers customized fit to the gland nuts from 2 inches to 6 inches diameter, Reversible to fit 1/4 inch as as 5/16 inch diameter pin holes, Simple use with 3/4 inch square drive Small Adjustable Gland Nut Wrench Offers customized fit to the gland nuts from 1 inches to 3-3/4 inches diameter, Reversible to fit 1/4 inch as as 7/32 inch diameter pin holes, Simple use with 1/2 inch drive ratchet Easy to Use -- Made an adjustment to the Gland Nut Wrench to fit the pinholes and then simply use with 1/2 inch drive ratchet/breaker bar to loose and remove gland nut, No need to on a stubborn gland nut in the risk of hurting your hands. If you are a home repair enthusiast or a professional service technician, it will be a good choice to keep one Gland Nut Wrench in the toolbox when you need to replace the seals in a cylinder or rebuild cylinders. Material:metal colour:black Package Contents: 1 x 1266 Adjustable Gland Nut Wrench 1 x 7463 Adjustable Gland Nut Wrench Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.