The Model 4-1/2 UHT available in two models UHT-13 and UHT-20 are rugged, light weight tongs with the UHT-13 standard motor configuration capable of providing 8,500 ft-lb of torque at 2,500 PSI. The tong will handle pipe from 1.050 inches to 4-1/2 inches. A notable feature is the Eckel patented quick-change sliding head biting system that compensates for worn or under gauge pipe. Also available with an optional rod package for sizes 5/8 inch through 1-1/8 inches and your choice of manual type or hydraulic type backups. Slide heads with rig dies are available for the UHT-20 when handling drill pipe tool joints.