■ Beep Length: 13.8 inches (35 cm) ■ Diameter: 0.9 inches (2.4 cm) ■ Weight: 3.5 oz (85 - 105 g) ※ Due to manual sharpening, there may be slight differences in the size and weight of the drill. If you have any exact size, please contact us when you place the order. Each Taiko drum and Perlanco comes with 1 drum drums. Please purchase if you need other items.