Beadsmith Super-Lon (S-lon) Cord. Twisted Nylon. Durable Size #18. Cream Color. One Spool Of 77 Yards. The BeadSmith's Super-Lon is a twisted nylon multi-filament cord in an extra-heavy #18 size. It's ideal for stringing, bead crochet and micro-macrame jewelry! Color: White Measurements: The thread is 0.5mm thick. The spool has 77 yards of thread. Quantity: One Spool