Alternative to OTC 1266 & 7463. For use on hydraulic cylinders with nuts from 2inch to 6inch (51mm to 152mm) and 1inch to 3-3/4inch (25 - 95mm). 1266 Reversible to fit 1/4inch & 5/16inch diameter pin holes, 7463 Reversible to fit 1/4 & 7/32inch diameter pin holes. Both are manufactured from quality steel. Corrosion-resistant & Durable Steel construction with extreme anti-wear property. Specially designed to fit hydraulic cylinders on most farm and construction equipment. Repair tool for backhoe and other heavy equipment / farm machines / hydraulic machinery. use with Features a 3/4inch square drive to tackle even the most stubbom gland nuts. 1266 Adjustable Gland Nut Wrench WORKS ON Adjustable, 2 to 6 inch (pin to pin) capacity. Gland Nut Wrench fits hydraulic cylinder gland nuts on most farm and construction equipment. Reversible pins Reversible pins are sized at 1/4 inch and 5/16 inch to accommodate most applications. use with Features a 1/2inch square drive to tackle even the most stubbom gland nuts. 7463 Small Universal Gland Wrench WORKS ON Adjustable Gland Nut Wrench Fits hydraulic cylinders on vehicles having gland nuts from 1 inch to 3-3/4 inches in diameter. Reversible pins Reversible to fit 1/4 or 7/32inch diameter pin holes. Colour:black Material:carbon steel Package Contents: 1 x Adjustable Gland Nut Wrench set Only the above package content, other products are not included. Note: Light shooting 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.