The Crescent External Retaining Ring Clip measures 1-3/8 inches and is crafted from phosphated carbon steel, ensuring durability and resistance to corrosion. This retaining ring is designed to securely hold components in place within a groove, making it ideal for various mechanical applications. With a thickness that meets industry standards, it provides reliable performance in assemblies requiring precise fit and retention. The ring's external design allows for easy installation and removal, making it a practical choice for maintenance and repair tasks. Compatible with a range of systems, this retaining ring is essential for ensuring the integrity of your mechanical setups.