The speed form makes it easy to pick up and remove the donut adapter safely and quickly after you want to put on or take it off with your fingertips. Minimizes accidental drops on the binal.
Designed to be smaller than a regular donut adapter, it can also be used for abalone binals with small donut holes. In consideration of the case of a hole diameter that is not enough, the Fuji shape makes it easy to push in.
Moderate height to prevent your hands from coming into contact with when you are cue or scratching.