The new SPR is the hot new tool for joining aluminum panels together with the cold forming technique that requires no heat, no pre-drilled holes, or adhesive. Perfect tool for repairing panels on the all aluminum bodied 2015 F-150. Dent Fix s Self-Piercing Riveter is a reliable tool for riveting panels (up to 6.5mm) together with high dynamic strength The pressure and speed control increases accuracy and enables the rivets to be inserted without panel distortion Ergonomic design allows for easy and comfortable use Kit includes standard matrix, 2 matrix keys, strap, HR1 arm and a box of 6x50 steel punch rivets