Brileine Battery Cable Crimping Tool Kit from AWG 1/0-8 with 60PCS Copper Ring Terminals 8 Sizes Battery Cable Lug Crimper for Heavy Duty Wire Lugs, Battery Terminal, Copper Lugs(Set Blue)The Battery Terminal Crimper Built in 6 ways 6mm 10mm 16mm 25mm 35mm 50mm(Similar to 6 dies of 8, 6, 4, 2, 1, 1 0 AWG) using rotating heads with a spring loaded locking pin to keep the heads. Operating Way Press the screw and rotate the dies to the size you need, then just take a strong pull of the ratcheting wire terminal crimper then produce a good crimp on cable lugs. Battery cable crimper with high precision jaw ensure a tightly connection after