The AR15 Micro Tool is a compact function-packed tool that fits in the palm of your hand. This mirco tool is constructed of stainless steel and has a key ring with strap bolt tail scraper firing pin scrapers 3/8″ 5/16″ 1/4″ 3/16″ and 1/8″ wrenches 5mm bit driver flathead screwdriver front sight adjuster bolt face scraper/screwdriver bottle opener cutter pin punch and a Carabiner.