Premium Polishing Barrel: The jewelry tumbler polisher is made of tough polycarbonate with high hardness and no leakage. Roller Size: 7.3 x 5.1 in / 185 x 130 mm, Capacity: 1.76 lbs / 800 g. 4.User-Friendly Design: The magnetic tumbler polisher has multiple heat dissipation vents and strong fan cooling to avoid the machine from overheating.
