This advanced 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.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 precisely AR-15 Pin Alignment ToolNon-marring finish punchStaking PunchStand-up Case