[Applicable to 23-7AWG wires] The ferrule crimping tool is a four sided serrated crimping tool to make the crimping more firm. Applicable to AIRIC advanced ferrule terminal 0.25-10mm ² (23-7AWG). Other brands of ferrule connectors can also be well crimped. [Ergonomic handle design] The nylon material and lever principle are adopted. The handle enables you to save energy, thus making your operation easier and providing you with firm crimping. [Automatically adjustable ratchet wheel] It is automatically adjusted to the diameter suitable for stripping the terminal. The automatic adjustment design of ratchet wheel improves the accuracy and reliability in the crimping process and avoids terminal waste. [Forced lock] Quickly release the safety lock. It can be unlocked to maintain the quality of high-voltage connection at all times; The crimping pressure is accurately calibrated at the factory. [Widely used] Low grip, light weight; Power amplification through elbow is an ideal choice for crimping insulated and uninsulated wire sleeves. The professional wire crimping tools can help you quickly complete the wiring, and are suitable for various equipment switches, batteries, automobiles and household appliances, electronic components, etc., Manufacturer: HVSYVVSRL