Thompson Opaque Enamels - 1202 Off White (Group S) Jump Rings & Split Rings Material Hardness: The extreme hardness

Material Hardness: The extreme hardness of the porcelain grade media ensures effective polishing and burnishing

Included Accessories: Comes with batteries and a 100g calibration weight to ensure accuracy

with a soft matte to glossy surface depending on firing

This standard model is intended primarily for silver

Thompson Opaque Enamels - 1202 Off White (Group S) Jump Rings & Split Rings Material Hardness: The extreme hardnessLead free, 80 mesh vitreous enamel powder. Firing range is 760 815C, firing time varies from 2 5 minutes depending on desired effect. Medium temperature, medium expansion enamels for copper, silver, gold & some steels.