EASY TO USE--This handy set of crimp pliers can serve as a tool for pressing cable lugs, sockets and fittings. The jaws can be installed/disassembled easily by screws and screwdriver QUALITY MATERIAL--Quality hardened steel jaws, this crimp pliers is very strong and durable. Professional wire crimping tool with self-adjusting ratchet mechanism for easy operation 5 PAIR OF INTERCHANGEABLE INSERTS - - A03B (For 1.5 - 6 mm2): For non-insulated flat fittings; A26TW (For 2*0.5 - 6 mm2): For insulated and non-insulated bushings; A10 (For 1.5 - 6 mm2): For non-insulated terminals; A30J (For 0.5 - 6.0 mm2): For isolated terminals; A35WF (For 10 - 35 mm2): For non-insulated sockets ERGONOMIC HANDLE - - Thanks to the gripping position of the handle, the lightweight and compact structure as well as the design of the handle ensure a perfect crimping effect STORAGE BAG - - Storage bag with outer pocket is provided to properly arrange and keep tools after use < br>