The Geissele Gas Block Pin Punch Set is the perfect addition to your AR-15/AR-308toolkit. Whether you’re installing or removing a gas block, this set takes the frustration out of the process. The tapered Starter Punch provides exceptional strength when dealing with old, rusted, or simply stuck gas tube roll pins. The custom made 0.078″ Pin Punch gives you a precise and tight fit every time. Both punches are constructed from durable 01 Tool Steel, making them a long lasting addition to your tool collection. Keep your AR-15/AR-308 in tip top shape with the Geissele Gas Block Pin Punch Set.