It's always a good idea when using cable and wire crimping tools to leave a little extra length when cutting the wire. This way, just in case the crimp isn't done just right, there's extra wire to use so you don't have to cut it off and start over. Take a look at the features for Westward Dieless Crimper. Capacity: Cable Copper: 250, 4/0, 3/0, 2/0, 1/0, #1, #2, #3, #4, #5, #6, #8, Aluminum Terminals: 4/0, 3/0, 2/0, 1/0, #1, #2, #3, #4, #5, #6, #8, Overall Length: 23".