Heavy Duty XTRA 400 HD Hydraulic Crimping Tool Compression Hydraulic Crimping plier RANGE 10-400mm. 1) Crimping Range:10-400mm2 2) 6 Stroke Crimping and 360 degree rotating head 3) Tool for crimping copper and aluminum lugs with different types, a wide range of crimping dies To suit for different size demand. The main crimping shape is hexagonal, special shape design is provided by special making.