Armorer'S AR15 Pin Punch Set with Pin Alignment Tool is an advanced kit which 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 sausage fingers. The kit includes: Gunsmithing hammer with rubberized, ergonomic grip; 4 interchangeable hammer heads: rubber, brass, steel & nylon; Pin Alignment Tool; Standard pin punch 3/32", 1/8", 5/32"; Roll pin punch 1/16", 5/64", 1/8"; Staking punch; 3/32" Bolt catch roll pin starter & roll pin punch; Stand-up case; Non-marring finishing punch; Pin Alignment Tool.