10 Spider Silver Plated 20mm Adjustable Finger Rings. (20mm = 3/4" approx) Metal ring only, no glass domes included in this listing. 10 Silver Plated 20mm Adjustable Finger Rings with 10 Matching Round Domed Glass Crystal Clear Cabochons. (20mm = 3/4" approx) Spider Ring Kit 20mm Bezel Setting - Unisex Fashion Ring. 17mm adjustable. LEAD FREE and SAFE. Silver Plated