The Iwiss crimping tools in this set feature a crimper with a ratcheting mechanism that creates double crimps in certain types of terminals, ranging from 22 AWG to 2 AWG.

While non-OEM-grade tools and consumer-grade terminals have been available to enthusiasts for some time, a lot of them-particularly the cheap ones-don't do a very effective job.

Tools and Supplies. Marine heat-shrink crimp connectors ($63.55 for a 160-piece assorted kit of Ancor terminals and connectors, hodgesmarine.com) Marine-grade wire meeting US Coast Guard charter boat ...

The connectors and terminals are cheap, but the official HT-0095 crimp tool costs over $1500. Most crimp tools make a mess of these terminals since they require a cylindrical jaw to crimp correctly.

Phillips Industries has introduced a new heavy-duty ratcheting crimper tool built for professionals. It accommodates 8- through 22-gage wire, so one tool ...