Diameter: .565" Length: 16" Tip Material: Wood Tip Shape: Acorn Head Material: Wood Promark designed the Select Balance system utilizing the 5 most popular drumstick diamters, 7A, 5A (2), 55A and 5B. Each model is available in either a FORWARD or REBOUND balannce version. Choose FORWARD to optimize POWER and SPEED with a front-weighted feel or REBOUND which optimizes FINESSE and AGILITY with a rear-weighted feel. Hickory is the most popular wood choice for drumsticks due to its resilience, responsiveness, durability, and classic feel Length 16" Diameter .565" The reinvented Acorn tip provides a larger sweet-spot to increase responsiveness and articulation. All Promark drumsticks are designed, engineered, and manufactured in the USA at our Texas facility to the most stringent quality controls in the industry