6PC Roll Pin Starter & Bolt Catch Install Punch Set 1/16" 5/64" 3/32" 1/8" 5/32"

4Pcs roll pin starter punches: 1/16", 5/64", 3/32", 1/8", you have all the sizes needed to build the AR lower and upper receivers. Easy access to one hard to reach pin. These Pin Punches are heat treated, drop forged and the electroplating process, hardened and knurled steel for greater durability, workability, and overall performance.