30 wt. 100% silk spooled thread. Three-ply, monofilament, top-stitching thread. Ideal for machine-made buttonholes. 54 yards/50 meters per spool. Made in Japan.

50 wt. 100% silk spooled thread. Three-ply, monofilament thread. Ideal for machine or hand sewing. 109 yards/100 meters per spool. Made in Japan.

Buttonhole twist 100% silk  thread. Three-ply, monofilament silk buttonhole twist. Ideal for making hand-made buttonholes and fine tailoring techniques. 21.8 yards/20 meters per card. Made in Japan.