60 & 100 mm Ring Frames - Circular aluminum used for casting clay or aluminum. Check out my other items. The item "Casting Sand Clay Petrobond Ring Frames 60 & 100mm gold silver copper pewter" is in sale since Saturday, June 24, 2017. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "ramelson1937" and is located in Newark, New Jersey. This item can be shipped worldwide.