【size】 US6---Diameter 16.5mm (equivalent to No. 11) US7---Diameter 17.3mm (equivalent to No. 14) US8---diameter 18mm (equivalent to size 16) US9---Diameter 19mm (equivalent to No. 19) * There is an error of 0.1 mm from Japanese size.
【material】 polyamide plastic *It will be a work using a 3D printer. Although it is a light, flexible and strong material, it can be intentionally folded by human effort, so please handle it with care.
