Ratcheting crimpers. Fitted with ergonomic handles, which accommodate either single or double handed operation. The incorporated ratchet mechanism is designed to reduce the amount of pressure required for completing a crimp, which increases comfort & reduces the risk of repetitive strain injuries. Manufactured from carbon steel & supplied with two sets of swappable jaws, suitable for crimping the following insulated terminals:- red channel: 0.5-1.00mm&178;, blue channel: 1.5-2.5mm&178; & yellow channel: 4.0-6.0mm&178;, & non-insulated crimps 1.5, 2.5, 6 & 10mm. An indispensable tool for any situation, which requires crimps to be attached to wires.