Four-in-one set of locking pliers, containing four types of locking pliers: inner straight, inner curved, outer straight, and outer curved. The alloy steel plier heads are sturdy and durable, with rubber-coated non-slip handles that provide a firm grip and are easy to return to their original position, making them suitable for disassembling and assembling shafts and holes. Comes with a hard plastic storage box for convenient carrying and storage, with strong practicality.

The jaws are made of alloy steel and undergo heat treatment processing, ensuring sufficient hardness and preventing deformation. The opening and closing of the jaws are precise, and when clamping the spring clip, the engagement is stable and not prone to slipping. It is convenient to open or close the retaining ring and complete the disassembly and installation operations. The edge of the jaw is well-finished, reducing scratches on the spring clip and the surface of the workpiece during operation, and protecting the accessories in good condition.This four-in-one set of locking pliers includes four types: inner straight, inner curved, outer straight, and outer curved. It is specifically designed for disassembling and installing locking retaining rings used on mechanical equipment. It is a commonly used manual tool set for mechanical maintenance, equipment assembly, auto repair, and hardware processing. One set can meet most of the requirements for locking retaining ring disassembly and installation operations.

The four different types of locking pliers have clear divisions of labor. The inner locking pliers are used for disassembling and installing retaining rings in holes, while the outer locking pliers are used for retaining rings on shafts. The straight-mouth style is suitable for operations in open spaces, and the curved-mouth style can be inserted into narrow and obstructed workstations to handle positions that are difficult for straight-mouth pliers to reach. It is suitable for different equipment and installation positions of retaining rings.

The entire set is stored in a hard plastic tool box, which has a snap fastener and corresponding card slots inside. The pliers can be neatly placed, preventing mutual collisions and damage to the plier heads, making it convenient for storage and preservation. It is also convenient for carrying when going out for maintenance, and it is not easy to lose accessories. It is widely used in scenarios such as automotive maintenance, agricultural machinery maintenance, motor repair, mold assembly, and household equipment maintenance.

When using, select the corresponding specification of pliers, apply force steadily to the retaining ring, and do not forcefully over-torque. After use, clean the oil stains and impurities on the plier mouth, store it in a dry environment to reduce rusting. This locking pliers set is complete in categories and highly practical. It is suitable for maintenance technicians and hobbyists alike to prepare a set, handling various retaining ring disassembly operations and improving maintenance efficiency.