2B: Diameter per rod: 4 mm | Number of rods: 9 | Total diameter: 15.8 mm | Length: 40.5 cm The length and diameter of the Kuppmen Carbon Fiber Drumrods are identical to your standard drumsticks. Playing an intimate venue where big volume could be a big problem? With a pair of Kuppmen Carbon Fiber Drumrods, it's easy to take things down a notch. A cross between brushes and drumsticks, they can significantly reduce the volume of your drum kit. That's good news for you, your bandmates and your audience. And because they have a seriously longer lifespan than wood, they're easy on your wallet too. Kuppmen Carbon Fiber DRUMRODS - Promotion Video