• Assortment of 330 cotter pins in 7 different sizes: M1, M1.5, M2, M2.5, M3, M4, and M5. • Made of high-quality 304 stainless steel, corrosion-resistant and durable. • Prevent nuts and bolts from loosening due to vibrations or load changes. • Provide a reliable mechanical lock suitable for machinery and industrial applications. • Simple installation by inserting the pin into the hole and bending the ends with pliers. • Includes sizes from M1 x 16 mm to M5 x 50 mm for various automotive and construction applications.