KM-400C In-line Electric Power Cable Crimping Tool, Copper/Aluminum Terminal Crimping Range 10-400mm² ,Easy to Use

OIL RETURN VALVE:Rotate clockwise to work and rotate counterclockwise to reset. SWITCH KEY:After durability test, it can be opened and closed repeatedly and has a long service life. COOLING SYSTEM:Spiral heat dissipation system, quickly dissipates heat and prevents burning. OIL FILLING PORT:Inject lubricating oil regularly to prolongthe service life of the machine. AUXILIARY HANDLE:The handle can be rotated 360°, comfortable grip and easy to work.