Metal body with comfortable rubber grip , anti slip rubber hand protections provides safe grip The bladeand cutter are forgedsteel , with a longer service life When cutting steel , please to turn the hydraulic pumpswitch clockwise to the tail end , so that theswitch is in " on Sharpcutting , overall heattreatment with high hardness / pressure relief valveswitch , fast oil return , safe and secure , and stable Pressure relief valveswitch , fast oil return , safe and secure ; Sharpcutting , overall heattreatment , high hardness Cutting capacity : 1 / 4 " 7 / 16 " ( 4-12mm ) ; Select the steel size that meets the workingrange, Manufacturer: Watreketal