"This Esco Pneu-Tek Universal Impact-Driven Tire Demounter is a fast, safe and simple way to demount all tires ranging from 10in. ATV tires to 1600 grader tires and even 19.5 reverse hubs. U.S.A. Recommended Use Tire change accessory, Dimensions L x W x H in. 44 1/2 x 8 x 3, Material Steel, Drive System Hardened worm gear, Accessory Type Demount tool, Tire Type From 10 in. ATV tires to 14.00 R24 grader tires, Includes One impact socket, Machine Type Manual. Great for agricultural tires, one piece grader, loader, back hoe and semi-truck tires"