The Real Avid advanced Accu-Punch Hammer & Punches kit includes every standard and roll pin punch needed to build or work on an AR15. A perfectly balanced hammer along with our proprietary pin alignment tool makes starting tiny pins easy and accurate. All in a modern stand-up case. A remarkably frustration free experience - even for larger hands and fingers.This kit also includes the Real Avid Smart Bench Block. Made from engineering-grade resin, this block won't mar or damage your favorite guns and the outside rubber liner keeps the block from sliding on any surface when driving pins. And inside the block is a magnet that grabs dropped pins. So intelligently designed, you'll feel smarter just using it. FeaturesGunsmithing hammer with rubberized, ergonomic gripFour interchangeable hammer heads: (rubber, brass, steel, nylon)Standard Pin Punch 3/32", 1/8", 5/32"Roll Pin Punch 1/16", 5/64", 1/8"Bolt Catch roll pin starter and roll pin punch 3/32"Pin alignment tool holds even small pin ...