PROMARK MARCHING BASS DRUM MALLETS-SALE by Rocco Z | Marching Percussion, Sticks & Mallets FOR SALE ProMark Marching Bass Drum Mallets OBD1, OBD2, OBD4 Sizes: Extra Small, Small, Large Sale Price: $37 USD(OBD1) $39 USD(OBD2) $47 USD(OBD4)