Buffing Abrasive Tool --- Weight is approx 445g / 15.7oz. Made of excellent resin materials, it can provide high gloss for your items. For Jewelry Processing --- Suitable for grinding and polishing jade, jadeite, agate, crystal mixed stone, agate, glass, artificial stone, other stone and shell, etc For Polishing Machine --- Special abrasive for vibration polishing machine. The special abrasive for vibration polishing machine makes your jewelry polishing more natural. Polisher Abrasive Material --- Perfect for protecting stones or filling while rock tumbling. Cushions, quiets and improves tumbling action. Buffing Material --- Widely used, which is a practical tool for jewelry making and processing. Processed advanced manufacturing, it has excellent polishing effect.