7-Piece 1" Wet Diamond Polishing Drum Wheel Set with 5/8"-11 Thread for Granite, Marble & Concrete - Perfect for Countertop Edging, Undermount Sink Installation & Stone Surface Polishing

1PC 5/8"-11 Thread X 50#,100#,200#,400#,800#,1500#,3000#

Diameter 25mm, Drum Wheel Length 47mm,Total Length 80mm ,Wet use, not dry use

With vents and fits on water-fed polishers, Wet use only

The drum wheels for grinding and polishing sink holes on the slab, kitchens, etc. which is the most effective way to grind and polish the tight radius

Maximum speed 4500 RPM