Expert Quality, carbon steel with hardened & tempered jaws. Continuous crimping at preset tension ensures accurate crimp. Chemically blacked finish with PVC grips. Suitable for crimping insulated terminals as follows:- red channel: 0.5-1.00mm&178;, blue channel: 1.5-2.5mm&178; & yellow channel: 4.0-6.0mm&178;. Display packed.