Unmounted bristle brush measuring 80x40mm with German engineering. The bristles are pure black Chungking with a 1/8″ Arbor hole with a plastic center to prevent scratching. Available in 3 or 4 row configurations to suit your polishing and finishing needs. Durable construction designed for precision work in jewelry making and gemstone preparation. Maximum operating speed: 3,450 RPM.
Sizes –
3 Rows; 30mm hub
4 Rows; 40mm hub
