ITW Ramset Red Head 6RS27 27 Caliber Strip Load Purple,Ramset,6RS27" /> Crimped brass cartridges in 10 shot strips, powder actuated Ramset/Red head tools. Interchangeable with all makes and models of single shot, low velocity tools. Color-coded for power lever 1 low-6 high; 2 brown, 3 green, 4 yellow and 5 red. Color: Purple. 0.27 Caliber.