Arbe PM-350 Variable Speed 1/2HP Polishing Motor 110V Thomas Mann 12 sizes graduated in quarter

12 sizes graduated in quarter increments from 1/4 to 3

Bottom indentation for stable furnace seating

Weight estimation software built into the gauge covers 74 gemstones and 9 shapes

Designed as a direct replacement component for the Blue Economy Mill

Arbe PM-350 Variable Speed 1/2HP Polishing Motor 110V Thomas Mann 12 sizes graduated in quarterThe Arbe PM 350 is an American made variable speed polishing motor built for professional jewelers and metalsmiths in the USA jewelry industry. Delivering smooth, controllable power from a 1 2 HP motor, the PM 350 gives you the flexibility to dial in exactly the right speed for every polishing task from delicate finishing passes to aggressive buffing. The wide speed range of 03600 RPM means you can work confidently across a broad range of materials