EASY TO USE - - This handy set of crimping pliers can be used as a tool for pressing cable lugs, sockets and fittings. Jaws can be installed/disassembled easily by screws and screwdriver QUALITY MATERIAL - - Quality hardened steel jaws, this crimper is very strong and durable. Professional wire crimping tool with self-adjusting ratchet mechanism for easy use 5 PAIR OF INTERCHANGEABLE INSERTS - - A03B (For 1.5 - 6 mm): For non-insulated flat fittings; A26TW (For 2*0.5 - 6 mm): For insulated and non-insulated sockets; A10 (For 1.5 - 6 mm): For non-insulated terminals; A30J (For 0.5 - 6.0 mm): For insulated terminals; A35WF (For 10 - 35 mm): For non-insulated sockets ERGONOMIC HANDLE - - Thanks to the gripping position of the handle, the light and compact structure and the design of the handle guarantee a perfect crimping effect STORAGE BAG - - Storage bag with external pocket is provided to properly organize and keep the tools after use