finishing RH & RHW Series Finishing Caps and Washers for Raised Head Screws RH Series finishing caps for raised head screws are a combination finishing and protective cap that snaps over a flanged steel washer, replacing the conventional washer. The cap provides dual protection by preventing injury from scraping against sharp fastener edges and by keeping screw head slots free of foreign matter and paint. RHW Series washers are designed to work with the RH Series Caps * Adds attractive finish to protruding screw heads Material: Low-Density Polyethylene (washer - steel, zinc plate) Color: Black or White (white available in carton only) RH-10 - Dome Only 102 * For other material and color options, contact customer service.