A tool for drawing perfect circles on the outside of the bamboo for work around the middle joint. 2 blades.
Mentori 3-rin (width:0.9mm), ¥14740
Celluloid Thin, ¥715
Celluloid Thick, ¥935
Middle Joint Insert Tools A&B set, ¥11550
Middle Joint Rasps A+B, ¥19580