Production discontinied, 2023
The B rasp is for rounding out the outside of the insert itself(when makinig your own insert).
Middle Joint Rasps A+B, ¥19580
Triangular File, ¥1100
Joint-Forming Tool SET, ¥23650
Wooden Joint Section Insert S, ¥880
Middle Joint Rasp A (With Handle), ¥10230