[1 BOX 400PCS LINK RINGS]: You will receive 400pcs triangle jump ring, which are practical and commonly used accessories for handicraft enthusiasts. Sufficient quantity and 4 sizes can meet your diverse daily handicraft needs. [EASY TO USE]: The triangle jump rings is wide enough to securely secure jewelry such as drilled beads or charms, and a small amount of pressure is used to clamp the hook to ensure that the beads or charms do not slip. [SIZE]: Open jump rings: 5.5x6.5x0.6mm(0.22x0.26x0.02inch), inner diameter: 4x5mm, 100pcs, open jump rings: 9x7x0.7mm(0.35x0.28x0.03inch), 100pcs, open jump rings: 8x8x0.8mm(0.31x0.31x0.03inch), 100pcs, open jump rings: 9x10x0.7mm(0.35x0.39x0.03inch), 100pcs; [HIGH QUALITY MATERIAL]: Pinch clip bails are made of brass, which is not easy to rust and fade, and have a long service life. Suitable for making jewellery to wear and can be reused. [WIDE USAGE]: Pendant pinch bail can be paired with pre drilled stones, beads, gemstones, etc., as charms or decorations to make earrings, bracelets, necklaces, keychains, and other accessories.