Check the listing for details. 300Pcs 0.6mm U Shape Wire Guard Thread Protector Loop for Jewelry Making, Colors. Condition: New. Listed at 11.50 USD. Description:This set contains 300 pieces of multicolor wire cable protector that are shiny. Such a large number of wire guard loops can not only meet the needs of your DIY jewelry making but also enrich the use way of the product.Made of smooth, durable and weather-resistant brass material, with the electroplated surface, it can be used for a long time without fading, deformation, rust and wear.U-shaped design with two 0.6mm holes that are small enough to help you make crafts with ease. With this tiny wire guard loop, you can easily connect with string and will not influence your craft's appearance.This wire guard thread protector play a good role in helping string as a knot to connect with lobster clasp or open jump ring, it can prevent the string crack easily at the pressure and connect point, make the jewelry making last longer.