The JCB 81180017 is a genuine OEM cotter pin, essential for securing components in a wide range of JCB agricultural, construction, and industrial machinery. This high-quality pin measures 5mm in diameter and 40mm in length, ensuring reliable and secure fastening. It is designed to meet JCB's stringent specifications for durability and performance across numerous models including Backhoe Loaders, Excavators, and Loadalls.