Specification: 1.ST0705-B 3",3.5",4" Air Wet Sander/Polisher 2.4500rpm ... stone, stone brushesstone cutting machines, pneumatic water sandersmetal suction cups, plastic suction cups, grout bagsgrout hole saw kits, carbide grout sawsflexible blade ... DIY tools to Japan, Germany, the USA and Australia ST0705-B 3",3.5",4" Air Wet Sander/Polisher