Wide Application: Suitable for various mechanical high and low pressure oil hose, gas hose, water hose, cable joint, automobile air conditioning hose, automobile power steering hose, gasoline supply oil pipe, etc. Widely applied to vehicles, engineering and hydraulic machinery Flexible Operation: Operated by a manual hydraulic system, this high pressure hose crimper works efficiently without the need for electricity. It also includes a built-in rotary micrometer for precise adjustments and a mold box to keep tools neatly organized Durable & Sturdy: The wear-resistant, high-strength head is made from 20Cr forged steel, providing excellent durability and resistance to breakage. Combined with the 8-petal seat structure to ensure a more precise crimping effect Efficient Crimping: Driven by the high-performance hydraulic pump, the manual hydraulic hose crimper delivers stable, high-pressure crimping force to ensure a firm and reliable connection 8 Crimping Dies: This high pressure hose crimping tool comes with 8 dies of varying sizes: 10mm, 12mm, 14mm, 16mm, 19mm, 23mm, 27mm, and 30mm. Crimping range: 6mm-28mm I.D., maximum opening without dies: 2.28 inches (58mm)