Kumihimo Tangle Free Bobbins (8-Pcs) These clever Kumihimo Tangle Free Bobbins are great for winding Bead Cord onto prior to weaving. Simply fold back the soft cover and wrap as much Bead Cord as you need onto the spool. Leave one cord end loose, and close the cover to keep your Bead Cord from unraveling while you work. Size: 2-1/2" x 1" Hole diameter: 3/4"