Astro 9477 Professional Quick Interchangeable Ratchet Crimping Tool Set, 7-Piece C Jaw - Open Barrel Terminals: for AWG 20-18/16-14/12-10 DIN 0.5-1.0/1.5-2.5/4-6mm, D Jaw - Insulated Cord-End Terminals (small AWG.): for AWG 22/20/18/16/14/12 DIN 0.5/0.75/1.0/1.5/2.5/4.0mm F Jaw - Insulated Cord-End Terminals (Huge AWG.): for AWG 10/8/6 DIN 6/10/16mm, H Jaw - Open Barrel Terminals & D-SUB, V3.5: for AWG 14/22/8 DIN 2.5-0.5/8-10mm Time saving tools allows faster crimping of terminals and wire. Crimper is easily operated by either left or right hand Ergonomically designed steel frame handles with contoured rubber grips