Designed by Green Day drummer Tre Cool the Zildjian Tre Cool Artist Series Drumsticks feature an oversized acorn tip and moderate taper for maximum sound projection. The Tre Cool sticks are girthy and built for rock styles with an extended length for greater reach. Made from durable US select hickory the Tre Cool Artist Drumsticks feature an eye-catching metallic green Tre Cool signature with a solid 2B style design for heavy hitters. Specifications Diameter: 0.625 Length: 16 1/2 Finish: Natural Tip: Wood Product Code: ZASTR