Fixxxer Hollow End Stainless Steel Starter Punch Set 4 pc hollow end starter punch set, Sizes are 1/8 5/32 3/16 7/32. will cover all of the AR platform including trigger guard, gas block, and forward assist. Hollow end roll pin punch set helps to prevent damage caused by an accidental slip off while getting the pin started Use to align and start the pin and finish driving it home with an impact punch. Works with roll pins up to 1/8", punch size approximately. 2.5" Fixxxer Brand <span class="a-text-bold">Hollow end roll pin punch set</span> helps to prevent damage caused by an accidental slip off while getting the pin started. Use our hollow end punches to align and start the pin then finish driving it home with an impact punch. <span class="a-text-bold">Knurled design makes them easier to hold</span>. Hollow ends are deep enough to hold roll pins securely. Great for <span class="a-text-bold">AR builds</span>. You will appreciate the quality of Fixxxer products. Use to align and start the pin and finish driving it home with an impact punch. Will cover all of the AR platform including trigger guard, gas block, and forward assist. Hollow end roll pin punch set helps to prevent damage caused by an accidental slip off while getting the pin started. Works with roll pins up to 1/8&#034;, punch size approximately. 2.5&#034;