ProMark OBD4 marching bass drum beaters feature balanced hickory handles with a weight ring underneath the 2" felt head. The OBD4 is best suited for 26-28" drums.

Designed by Doug Bush, the Optima Bass Drum Mallets feature a uniquely contoured hickory handle with a special “weight ring” at the base of the felt head.

• The OBD4 features a hard felt elliptical-shaped heads produce a focused bass tone without denting the head
• 2” head
• Recommended drum size 24”, 26”, 28”
• This “weight ring” helps provide improved balance, increased head velocity, and enhanced sound projection
• All ProMark drumsticks are designed and manufactured in the USA to the most stringent quality controls in the industry