BlueSpot Professional Ratchet Crimping Plier tool for Insulated Red, Blue and Yellow Terminals. Designed with extra large moulded hand grips and a one handed ratchet Crimp operation for ease of use and comfort. Hardened steel jaws and precision action guarantees professional Crimping Why mess around trying to Crimp terminals with pliers/cutters that run the risk of creating a bad connection which could result in fire! Crimps insulated terminal Sizes: 0.5 - 1.0mm² (Red) / 1.5 - 2.5mm² (Blue) / 4 - 6mm² (Yellow). Extra large moulded hand grips. One handed ratchet operation. Toughened hardened and tempered steel changeable jaws. Adjustable auto ratchet release lever. High quality & long lasting.