The product is an ideal set for avid spearfishermen. It is composed of the crimping tool and 3 types of multifilament for different purposes. The crimping tool is made of stainless steel and it features a perfect-sized compression jaw to properly crimp. Hardened for durability, these crimpers are ideal for rigging your speargun. The multi-filament is made of a resistant material, capable of resisting high forces. The multifilaments are in different diameters, 1.6, 1.8, and 2 millimeters, each 25 feet • 7,6 meters long. For each multifilament 6 crimps are available.