Wiha 43139 - PortaCrimp Die Set For Non-Insulated Terminals, Lugs & Splices. Crimps 10/6/4mm, 8/10/12 AWG One piece die, held together to prevent mix up & loss. Easily interchangeable crimp dies are kept together with a special pin to simplify handling. Reliable crimping performance is consistent and accurate with a parallel action stroke, good to 50,000 cycles.