This is not only a bamboo, but also a variety of wood drills.
Even on curved surfaces, there is no burring or breakage to create beautiful holes.
The sharp edge of the blade allows for easy positioning of the material without slipping.
The drill goes into the material as much as you press it, making it suitable for stopping holes.
It has a beautiful hole for a variety of materials that are prone to cracks (bamboo, acrylic, PVC, etc.).