(20 yards) of Purely Silk Size F 100% Silk Thread

Size F is 0.3480mm diameter and will string these bead sizes:

4mm, 6mm, 8mm, 10mm, 12mm

Truly the desired thread of Kings and Queens down through the centuries.  Silk is the finest natural fiber in the world. This smooth, twisted three ply, 100% pure silk thread has the most luxurious feel and softest sheen of any natural fiber. Purely Silk thread is extremely supple, yet resistant to stretch and wear. Easily knottable for producing professional results and durable enough to withstand the abrasion of pearls, glass beads, and gemstones.  

Photo is to show color only as you are purchasing Size F.