The Vevor jewelry polisher tumbler is a 5 kg rotary finishing machine designed for polishing, grinding, buffing, and surface finishing on jewelry, gemstones, coins, rocks, brass, and other small workpieces. It features 5 speed settings, bidirectional rotation, and an adjustable 0-60 minute timer for flexible operation. The polycarbonate barrel is built with a leak-proof design and locking bar closure for stable use. A rubber-padded base helps reduce slipping and vibration during operation. This compact machine is well suited for studio use and small jewelry projects.