The S&G Tool Aid Corp. Terminal Crimper with Rotating Die Set, No. 18840, is designed for 8 - 4/0 AWG uninsulated terminals for crimping copper electrical and battery terminals using copper stranded wire. The rotating die set makes hexagonal crimps and is permanently attached to the tool. The long handles offer improved leverage, and an application settings chart is permanently affixed to the handle. The crimper has an overall length of 26" and is heavy duty with all metal construction.