* They can also be used as a small, strong link between different lines. * Anti-glare black finish reduces visibility under water. * Extra strong and completely reliable * Seamless manufacture for good knot strength. * 10 rings per packet. * Now Available in 6 popular sizes – * Extra Small (2.5mm Outside Diameter), * Small (3mm Outside Diameter), * Large (4mm Outside Diameter), * Extra Large (4.4mm Outside Diameter), * Oval (4.5mm Length), * Large Oval (6mm Length).