【High Quality】The crimping pliers are made of high quality alloy steel. 【Special Design】The jaws of the pliers are forged for more precise crimping of terminals. The ratchet of the pliers makes it very easy to use: locking the pliers in position, automatic release, or manual. 【Wide Selection】The terminal sizes range from AWG22 to AWG10 (0.5mm2 to 6mm2). There is something for all uses. 【700 Pieces】27 types of connectors. Red for 0.5-1.5mm² (AWG 22-16), Blue for 1.5-2.5mm² (AWG 16-14), Yellow for 4-6mm² (AWG 12-10). Product Features: Applies to most types of insulated crimping connections and connectors. This wire body machine is made of high quality chrome plating steel in industrial grade and can be used for years. Adjustable ratchet mechanism for easy operation. The soft grip handle provides maximum comfort.