"Bootlace ferrule pliers with forced locking and automatic unlockingAs crimp pliers suitable for cable lugs 0.5 mm² - 1.5 mm² (red), 1.5 mm² - 2.5 mm² (blue), 4 mm² - 6 mm² (yellow)Cable lug pliers with ratchet function for uniform contact pressureSturdy metal design "