Maddog Master Paintball O-Ring Kit 85 total o-rings 5 each of the following sizes 003, 006, 007, 009, 010, 012, 013, 014, 015, 016, 017, 018, 020, 022, Handy 18 compartment plastic case that you can pack in your gear bag. Never get caught without the Tippmann A5, 98, X7, TiPX, Crossover, Gryphon US Army Alpha, Tactical, Project Salvo, Carver One