The OilSafe® Grease Fitting Protector in Beige – size 13/32" (10.3mm) (SKU: 291100) is a contamination-blocking, color-coded cap for most standard 13/32" (10.3mm) grease (zerk) fittings. Used for visual lube, route, or machine assignment, the protector includes a recessed area for snap-in label and lens (sold separately), fits securely to block dirt and water, and is built tough for repeated, industrial use. Supplied in bags of 100 for plant or shop reliability programs.