Wire protector, Accu-Guard, silver-plated brass, 4mm tube with 0.5mm inside diameter. Sold per pkg of 12.
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Item Number: H20-4049FY
Accu-Guard wire protectors are designed to protect Accu-Flex® professional-quality beading wire against wear from clasps and other sharp-edged components. Wire protectors are similar to bullion or French, but in a pre-curved horseshoe shape. Inside hole diameter is 0.5mm. Due to the manufacturing process, sizes vary slightly.
H20-4049FY>>https://www.firemountaingems.com/itemdetails/h204049fyH204049FYWire protector, Accu-Guard™, silver-plated brass, 4mm tube with 0.5mm inside diameter. Sold per pkg of 12.//image1.fmgstatic.com/images/p4049fyb.jpg3.223.22As Low As $0.10 per wire protector