JSP®Beading Tool Set set has 12 tools tools (from No. 1 to No.12). Set is provided in a plastic stand with a handle and a plastic stand. Range: From Size 1 (030 mm) to size 12 (0.85 mm) Set of 12 tools comes in a plastic Storage stand with see thru lid Also Includes hardwood handle for beading tools. Used to form beads to hold diamonds, half-pearls and other stones in mountings. Also for tightening stones. 2.6mm shank diameter.