This pack of 50 pcs of stainless steel internal/housing retaining rings from Fast-n-rs is a reliable choice for your fastening needs. With a size of 1-7/16 inches, these rings have a housing diameter of 1.438 inches and a free diameter of 1.596 inches. The groove diameter is 1.528 inches, while the groove depth and width are 0.045 and 0.056 inches, respectively. Made with high-quality materials, these rings have a hardness range of HRC 42 to 52 and a plain finish. They are suitable for use in various industries, including business and industrial settings. These rings are designed to securely hold components in place without slipping or loosening. Get this pack of internal/housing retaining rings today for a dependable fastening solution.