Features: HIGH QUALITY MATERIAL --wire crimper, made of hardness steel, ensures rugged construction and long lifetime; each wiring terminal is manufactured from good nylon and copper, durable. ADJUSTABLE RATCHET REPLACEABLE DESIGN --crimper plier, adjustable in crimping strength to easily, accurately crimp terminals, can be replaced with different crimping die for fitting various terminals, very convenient. ERGONOMIC DESIGN --this handheld tool is designed with soft cushion handle, which provides non-slip, firm grip, offers comfortable hand feel, reduces wrist fatigue, better than others. MULTIPLE ACCESSORIES --it comes with 5 crimping dies, total 450pcs wire connectors (different kinds), 40pcs cable ties, enough for use, a sturdy plastic box to store all of them, neat and tidy, easy to carry. AN ESSENTIAL TOOL --the tool kit is extremely popular among electricians and DIY enthusiasts, suitable for use on cars and household equipment, electronic components, etc.