Corpsmaster Indoor Marching Series is the most complete line of drumsticks and mallets designed specifically for indoor applications. They are engineered to produce a clear attack and a pure sound without unwanted and excessive overtones. For use with all bass drum sizes. 14-9/16"L, 2" x 5/16" head. Field tested and field proven, the superior designs of the Corpsmaster line developed throughout years of collaboration with the world's finest drum and bugle corps. Each season since the products were introduced, Corpsmaster sticks and mallets have remained the most popular choice among the top high school bands, indoor percussion ensembles, and DCI Championship corps.