The Delta Series 10-Piece Roll Pin Installation kit is a must have if you're working on a new build or replacing parts on your AR-15. Wheeler Engineering has included every tool needed for installing all the AR roll pins without damaging or marring your firearm! Kit Includes:Bolt Catch Install Tool KitAR Trigger Guard Install Tool3 Starter Punches and 3 Driver PunchesTwo Sided Hammer6 Steel punches in sizes: 1/16, 5/16 & 3/32"3 with counter-bored tips to start roll pins3 with indexing tips to finish roll pins