Beautiful Bead Wire & Thread Protectors Loops for DIY Jewelry Findings Gun Metal (144pcs) In Bulk, Totally about 144 pcs. Gun Metal Color or Black Oxide Finish. SIZE: for use on wires up to .019 diameter. Beading & Jewelry Making Findings, great for craftsmen. Wire Protectors hide and protect thread and beading wire up to .019 Inch diameter from the everyday wear and tear caused by toggles, clasps or other findings.