ActiveGrip is a heat activated grip coating that's engineered to get tackier as a players hands sweat and their body temperature rises. It applies thin like a traditional lacquer adding no additional diameter or weight to the stick. Unlike most grip alternatives on the market ActiveGrip doesn't tear up players hands or cause restrictions to range of movement or technique. Hickory is the most popular wood choice for drumsticks due to its resilience, responsiveness, durability, and classic feelLength 16"Diameter .565" (5A)ActiveGrip - Heat activated grip coating that grips stronger the harder you playThe reinvented Acorn tip provides a larger contact surface to increase responsiveness and articulationAll Promark drumsticks are designed, engineered, and manufactured in the USA at our Texas facility to the most stringent quality controls in the industry