The Momoi Bench Mount Crimp Tool. Long a secret of commercial fishermen where one tuna can be over $10,000 and the chance of losing that fish cannot be tolerated. The Momoi Bench Mount Crimp Tool, when properly set, offers 100% line strength integrity. If you are a serious offshore fisherman and don't want to miss the fish of a lifetime, then make sure your leaders are crimped professionally. This is the only way to go (crimping dies sold separately, please specify line size, call for details: (800) 372-3474.