Features of Obsidian Arms AR-15 Complete Armorer's 12-Piece Punch SetProfessional set of twelve punches and tools4140 alloy steel is heat treated for the right hardness and durabilityQPQ finished for a rust-preventative coatingSet also includes a high quality made in specialized factories Canvas Roll Up Pouch for easy storage or hangingIncludes:1/16in Roll Pin Starter Punch1/16in Roll Pin Punch5/64in Roll Pin Starter Punch5/64in Roll Pin Punch3/32in Roll Pin Starter Punch3/32in Roll Pin Punch3/32in Bolt Catch Removal Punch1/8in Roll Pin Starter Punch1/8in Roll Pin PunchDelrin Punch for starting trigger and hammer pins as well as pushing out take down and hinge pins.Small Drift Pin for positioning the trigger and hammer in a lower for easy installation.Pivot Pin Detent ToolCanvas roll up pouch