Manual tongs feature tough, heavy duty designs with heat treated hinge pins and long lasting stagger tooth tong dies. Torque ranges are from lightweight small (16,000 lb-ft) “SLF” to the larger and more rugged(100,000 lb-ft) “SDD”. Hydraulically powered tongs are categorized according to their specific functions such as: power drill pipe tongs, power casing tongs, power tubing tongs, & power sucker rod tongs.