Concrete Transitional Grinding Wheel：HONGUIS ceramic bond transitional diamond cup wheel is good choice for polishing concrete and smoothing stain,gouging and scratch patterns left by metal grinding disc.It will give better results on concrete Ceramic Bond Cup Wheel：Ceramic bond and premium diamond give products high efficiency and long service life.The strong fiberglass backing plate reduces vibration, provides safer,more stable and efficient grinding. Light and Convenient：Ceramic bond cup wheel is fast,light weight and easy to use resulting in a superior edge.It is designed specifically to deal with stairs, corners edges and narrow space Specification：5 inch diameter,4 mm body thickness,4 mm working thickness.Available grit #30, #50,#100,#200,#400.Dry grinding.The maximum working speed 9000 rmp 5/8"-11 Threaded Arbor：5/8"-11 threaded arbor.Fit with angle grinder without the use of flange Product Description:

High quality Ceramic and aggressive diamond give products high efficiency and long service life,5mm workable thickness, 4mm body, gravel Grit 30-50-100-200-400