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. Product Outside Diameter COVERT RIG RINGS EXTRA SMALL ANTI GLARE 2.5mm FWRR1 COVERT RIG RINGS SMALL ANTI GLARE 3mm FWRR2 COVERT RIG RINGS LARGE ANTI GLARE 4mm FWRR3 COVERT RIG RINGS EXTRA LARGE ANTI GLARE 4.4mm FWRR4 COVERT RIG RINGS OVAL ANTI GLARE 4.5mm (length) FWRRO COVERT RIG RINGS LARGE OVAL ANTI GLARE 6mm (length) FWRROL