|Create your own beads for bracelets, necklaces, rings, ankle bracelets, and more. Roll consistent, uniform beads in 7/16 in. round, 5/16 in. x 5/8 in. oval, and 1/2 in. bicone. Suitable for use with many kinds of clay, including air-dry, polymer, and precious metal clay. Easy-to-follow instructions included. In no time you'll be making several beads at once. Tri-Bead Roller set has four parts: roller base, roller top, alignment bar, and measuring ring. Knife not included.