When you need to gain more leverage for larger wire and terminal operations, the ergonomically designed Sta-Kon Ratchet Crimper features the proprietary Crimp Assist™ Foot design to help you stabilize the tool against a flat work surface so you can generate the force that you require. Match up the color coded red, blue, and yellow dots to the insulator and/or splice for quick identification of crimp nest.Note Un-insulated tool is not for crimping energized wires. Ratchet Crimper, 22 to 10 AWG, 10-1/2 L This product contains a chemical that is regulated under California Proposition 65. Warning This product contains a chemical known to the State of California to cause cancer. Warning This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.