Ergo Grip Slim-Line rail covers are designed to fully cover Picatinny rails with the lowest, easiest-to-grip profile possible. Protects Picatinny rails from damage Prevents damage to gear, clothing, vehicle interiors, etc Molded in Santoprene to provide a low profile, non-slip surface for improved grip Easily trimmed for custom fitting Mfg: Ergo Grips