Sterling Silver Open Jump Rings

PLEASE READ DESCRIPTION BELOW :Sterling Silver Open Jump Ring - un-soldered, open, smooth ** Please note that a jump ring can be described by it's inner dimension and/or its outer dimension as well as its thickness (gauge)Example : If you have a 4mm jump ring (outer dimension) that is 18 gauge (1mm thick) , then the inner dimension is 2mmBelow you can see each jump rings description. So if you have a 4mm jump ring from another supplier (who calls out the outer dimension) , Here it will be called a 2mm (inner dimension) x 1mm (thickness ) in the drop down menu.A=Jump Ring Inner DiameterB=Wire Size/GaugeC=Jump Ring Outer Diameter 2mm x 0.8mm (20 gauge) A=2mm INNER DIMENSIONB=0.8mmC=3.6mm OUTER DIMENSION3mm x 0.8mm (20 gauge)A=3mm INNER DIMENSIONB=0.8mmC=4.6mm OUTER DIMENSION2mm x 1mm (18 gauge)A=2mm INNER DIMENSIONB=1mmC=4mm OUTER DIMENSION3mm x 1mm (18 gauge)A=3mm INNER DIMENSIONB=1mmC=5mm OUTER DIMENSION3.5mm x 1mm (18 gauge)A=3.5mm INNER DIMENSIONB=1mmC=5.5mm OUTER DIMENSION4mm x 1mm