These are needles that are difficult to find outside of Japan and have both suitable length and width. They are longer, not too thin, suitable for each fabric and valued by tailors and dressmakers.
Size: No.6...Length:39.4mm Width: 0.76mm for Wool, Thick Cotton(Denim, Pail) No.7...Length:37.9mm Width: 0.71mm for Cotton, Linen No.8...Length:36.4mm Width: 0.64mm for Thin Cotton and Wool No.9...Length:34.8mm Width: 0.56mm for Silk, Thin Cotton
