This PROP NUT and KEEPER (92-22185) from GLM Products is dependable, heavy-duty, and high-quality. This product does not damage the boat engine; rather, it aids in the boat's smooth and safe operation. This product is to be used in marine environments and works. This product comes in a package with parts that ensure heavy-duty performance even under tough marine environments. The purchased package contains one prop nut and one keeper. The exterior of the parts included in the package are machined. Key Features: Strong, reliable, and high-quality material Constructed for quick and simple use Improves boat engine performance Designed for marine applications Product replaces: GLM 22185 Johnson/Evinrude Outboard 398042 5008966 OMC SternDrive 3850984 398042 Volvo Penta 3850984 Product Specifications: Brand: GLM Products SKU: 92-22185 UPC: 754739221853 Weight: 0.20 LBS Manufacturer Part Number (MPN): 22185 Alternate Products SKU: "5008966", "11-02671", "18-3708-1", "92-22185" Exterior: Machined Item Dimensions (length x width x height): 19 x 102 x 130 millimeters