Features: 1, with two speeds, rapid tooling traveling speed by automatically switching to a slower pace curl. 2, in order to facilitate the smooth running and operator comfort operation, the tool head can be rotated 360 degrees. 3, the tool to configure the maximum pressure valve, when the maximum pressure, you can hear "clicks" to alert the operator to stop working. 4, with interchangeable crimping dies with multiple crimping geometry. Model: HT-300 built-in safety valve Crimping range: 16-300 Output: 60KN Crimp Type: Hexagonal stroke: 17mm Length: 460mm Weight: 3.3kg Packing: Aluminum lockbox mold configuration: 16.25.35.50.70.95.120.150.185.240 .300mm2