Reliable cotter pin designed for securing fasteners and reducing loosening. Key specifications: 6.30 mm (1/4 in) diameter, 63 mm (2.48 in) length, ideal for various mechanical applications. Additional specs: Fits 6.30 mm (1/4 in) size holes, providing a snug and secure fit. Made from high quality general steel for durability and strength. Features a zinc finish for enhanced corrosion resistance and longevity.