A set with 33 tuning cylinders.
4 handles(45cm each), abrasive paper, double-sided adhesive tape included. Detailed instruction for use also included(Japanese only). Bamboo bore is measured with a cylinder(handled attached) which is sized from 13.00mm to 19.4mm (every 0.2mm).
You can also file the bore according to each size by attaching a double-sided adhesive sandpaper.
Cylinders are made of Aluminum (Japan-made).
*This is a final sale. No further discounts may be applied.