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 and reduces the risk of repetitive strain injuries. Manufactured from carbon steel and supplied with two sets of swappable jaws, suitable for crimping the following insulated terminals:- red channel: 0. 5-1. 00mm, and non-insulated crimps 1. 5, 2. 5, 6 and 10mm. An indispensable tool for any situation, which requires crimps to be attached to wires.