The Rock1 5-piece Drum Case Set fits drum sizes: 14 in. SD, 12 in. TT, 16 in. FT, 18 in. FT, and 24 in. BD. Manufactured in the United Kingdom from polyethylene utilizing the rotational molding process, all HARDCASE case products are designed to offer the ultimate in rigid plastic case protection in a tough touring/gigging environment. Trusted by many of the world’s leading drummers and percussionists. Give your valuable drums and percussion equipment the best protection available.