Vic Firth Corpsmaster MB4H Marching Bass Mallets are designed for 28" - 30" bass drums. They feature super hard spherical felt heads to provide a consistent striking surface. Tapered hickory shafts shift the weight of the stick towards the hand for improved balance and control. Field tested and field proven throughout years of collaboration with the world's finest drum and bugle corps. Head Size = 2 1/4" x 1 3/4" Length = 14 1/8"