finishing DOP Series Dome Plugs DOP Series dome plugs are finishing plugs for unneeded or unused holes in chassis or other surfaces. The convex design firmly tapers to a thin edge for a seamless finish. The matte finish head offers a professional and finished appearance. * Easy installation * Plugs lock firmly into surfaces Material: Nylon 6 Color: Black FP Series Finishing Plugs for Square Tubing FP Series finishing plugs are designed for square tubing. The plugs are sized for different gauges. FP Series shoulders fit flush with tubing sides and keep dirt and moisture out of sensitive areas. * Protect against sharp tube edges * Provide clean finish on completed products Material: Low-Density Polyethylene Color: Black KO Series Knock-Out Seal Plugs Caplugs KO series seals are designed to effectively plug electrical knock-outs. Molded in a silver 6/6 nylon to resemble galvanized steel, the plugs conceal knockout holes in steel boxes and other metal enclosures. Recognized under the Component Program of Underwriters' Laboratories File #E-15331 and pending certification approval by the Canadian Standards Association (CSA) File #LR-8919. Flammability: 94V. Material Temperature Index: 125° C; maximum temperature not to exceed 105° C. * Attractive silver gray color * Economical protection * Available in a variety of sizes * Designed with locking fingers for a secure fit Material: 6/6 Nylon Color: Silver Gray 146 * For other material and color options, contact customer service.