• Y026B is a Powerful ratchet crimping tool for consistent crimping of insulated terminals. Adjustable crimping pressure and ratchet release lever. Suitable for red (0.5 - 1.02mm), blue (1.5 - 2.52mm) and yellow (4.0 - 6.02mm) insulated terminals F471 to F494.• Y026C is suitable for crimping BNC, TNC, etc. connectors to RG58, R659V and RG62V cables, and the pin to the centre core. Cushioned plastic grips and ratchet release lever.