Waterfed air polishers and grinders have variable speed and are lighter than electrical polishers. We distribute different types of air polishers and grinders including Alpha Air-658. Waterfed air polishers do need a very powerful compressor.
Alpha and Makita power tools are made in Japan and highly recognized in stone fabrication industry. We distribute Makita variable speed power grinders in 4-1/2" and 5", Makita variable speed wet polisher model PW5001C, Alpha electric polisher VPS-120 as well as Bosch 1803 EVS.