Description: 【1266 LARGE ADJUSTABLE GLAND NUT WRENCH】Replacement for 1266.Fit the gland nuts from 2» to 6» in diameter; fit 1/4 inch & 5/16 inch diameter pin holes, and use with a 3/4 inch square drive ratchet or breaker bar. 【7463 SMALL ADJUSTABLE GLAND NUT WRENCH】Replacement for 7463.Fit the gland nuts from 1» to 3-3/4» diameter, fit 1/4 inch & 7/32 inch diameter pin holes, and use with a 1/2 inch square drive ratchet or breaker bar. It fit for hydraulic cylinders on vehicles, agricultural loaders, compact tractor loaders, skid steer loaders and so on. .