Vic Firth Corpsmaster MB1S Marching Bass Mallets are designed for 18″ – 22″ bass drums. They feature soft felt cores and fleece covered 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 with the world’s finest drum and bugle corps. Head size = 1 1/2" x 1 3/16" Length = 14 1/8"