This Accu-Flex® professional-quality beading wire is created with 55% nickel and 45% titanium. The lightweight, nylon-coated wire has a natural oxide layer that makes it look black. Offering a soft drape, 1-strand Accu-Flex® wire remains straight, even after being coiled. The plastic spools are made of polystyrene and can be recycled.
Beading Wire>Nickel Titanium>BlacksStringing Material>Beading WireNickel TitaniumBlacksAccu-Flex0.012"http://www.firemountaingems.com/itemdetails/h204911bsH204911BSBeading wire, Accu-Flex®, nylon / nickel / titanium, black, 1 strand, 0.012-inch diameter. Sold per 30-foot spool.//image1.fmgstatic.com/images/p4911bsb(2).jpg39.8639.86As Low As $0.70 per foot