The Cosmos cup wheel features aggressive diamond segments and a lightweight aluminum body for grinding and smoothing the surface. It can be used wet or dry and can be mounted to any standard grinder with 5/8"-11F thread. Excellent value and premium quality.
 
Use: Wet or Dry
Application: Granite, Engineered Stone, Concrete
Machine: Angle grinder
Thread: 5/8"-11F
Max RPM: 13,700 (4"), 8,500 (7")