【Complete 10-Size Industrial Kit】Includes 458-Piece of cotter pins & R-pins in 10 sizes (1mm-2.5mm diameter, 18mm-45mm length), covering 95% of mechanical fastening needs for tractors, engines, and heavy machinery
【Vibration-Proof Locking Design】R-pins’ spring tension and cotter pins’ split ends create double security, preventing loosening in vibrating systems like drivetrains and hydraulic cylinders
【Durable High Carbon Steel】High tensile strength (≥500MPa) and rust-resistant finish, ideal for humid, high-temperature, or outdoor environments. Passed 400hrs salt spray test
【Smart Organized Storage】Pre-sorted in a compact 11x8.5cm plastic case with labeled compartments. Secure latches prevent spills – perfect for mechanics’ toolboxes or on-site repairs
【Multi-Industry Versatility】From automotive suspension repairs to agricultural equipment maintenance, these pins work on axle shafts, gearboxes, and conveyor belt joints