Check the listing for details. Promark Rebound 2B ActiveGrip Acorn Tip Drumsticks R2BAG. Condition: New. Listed at 18.99 USD. Utilising D'Addario’s patented, heat-activated ActiveGrip solution, ProMark’s Rebound 2B drumstick model is engineered to get tackier as your hands sweat and body temperature rises. These sticks are created for agility but won’t tear your hands up or cause restrictions to range of movement or technique.Select Balance SeriesHickoryWooden tip (acorn shaped)Diameter: 15.9 mmLength: 40.64 cmWith ActiveGrip a coating is activated by heat when playing due to rising body temperatureWith the new Select Balance Series from ProMark drummers have the possibility to choose the stick balance that suits their playing style, and techniqueRebound Balance sticks have a shoulder length of 3 inches (7.6 cm). This places the centre of gravity closer to the rear end of the stick, which generates more rebound.SpecsMaterial: HickoryNylon Head: NoTip: Acorn ShapedLength in mm: 406 mm