Samyo Portable Professtional AWG23-10 Self-Adjusting Hand Ratchet Crimping Tool Crimping Pliers for Cable Ferrules HW06 (Black) Satisfy different sizes of casing pressure to the terminal. Compact design and light weight, ensure perfect crimping effect. Easy to use for cable end-sleeves, Hexagonal crimp profile with six serrated crimp surfaces. Self locking and releasing mechanic unit, ensure high of crimping quality when crimping repeatedly. Capacity:0.25-6.0mm (AWG:23-10).