[S]

[L]

Swivel Knife
Built-in precision ball bearings for smooth rolling and smooth movement without stopping the delicate cutting flow
The length can be adjusted from 0.04 to 0.9 inches (1 to 23 mm). The shaft has a stopper that prevents it from falling off.

L size: For cutting large and deep carving.
Replacement blades sold separately.

(From Amazon.co.jp)