Sterling Silver Open Jump rings | 925 Sterling Silver Jump Rings | Available in Seven Size 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm

JR1SS = 3mm Open Jump rings (90Pcs) = (20 gauge)
JR2SS = 4mm Open Jump rings (40Pcs) = (20 gauge)
JR3SS = 5mm Open Jump rings (25Pcs) = (19 gauge)
JR4SS = 6mm Open Jump rings (20Pcs) = (19 gauge)
JR5SS = 7mm Open Jump rings  (16Pcs)= (19 gauge)
JR6SS = 8mm Open Jump rings (15Pcs) = (19 gauge)
JR7SS = 10mm Open Jump rings (10Pcs)= (18.5 gauge)

These are 925 Sterling Silver  Open Jump Rings.