We took our high flying, hard hitting Warhammer Shells and added and inch in length to pack in even more intensely colored professional effects into each shell. Introducing Knitro Pyro's Mammoth 5" Knitro Glycerin Bombs. Loaded with 24 individually labeled professional effects and pushed by a highly compressed 60 grams of pyrotechnic composition for high, bigger and fuller breaks in each shell! This shell will shell shock you!