[REAL 14K GOLD PLATED JUMP RINGS]: The surface layer of the triangle open ring is 14k gold plated, with a beautiful metallic luster that is not easily discolored. The inside is high-quality brass, which has a long service life.[1 BOX 100PCS OPEN JUMP RING]: You will receive 400pcs jump ring bail of suitable size and sufficient quantity to meet your diverse daily manual needs. The box can help you store and protect these accessories.[EASY TO USE]: You just need to open the bails, gently close the bails, and push the claw into the pre drilled hole on the charm or bead, which can easily turn various perforated beads or stones into charms.[SIZE]: Open jump rings: about 10mm(0.39inch) wide, 9mm(0.35inch) long, 0.8mm(0.03inch) thick, 100pcs;[WIDE APPLICATION]: You can use jump ring as pinch bails to attach beads, gemstones, crystals, or other perforated charms to your necklace, bracelet, or earrings. Pinch clips bail can also be used as a regular jump ring to connect chains such as necklaces and bracelets.