Wire & Thread Protectors Protector Loops Silver Plated (144) Wire & Thread Protectors - Protector Loops METAL: Silver Plated SIZE: for use on wires up to .019 diameter QUANTITY: 144 pieces - 1 full gross 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.