Acculon Beading Wire Tigertail 7 Strand .020 Dia. This is a new spool of Acculon stainless steel beading wire Does not damage glass, stone or gemstone beads It is flexible and easy to work with This has 7 strands of stainless steel/nylon coated medium/heavy wire It measures 30 ft (9.1 meters) and 0.020" in diameter