features:
1.vacuum brazing technology, the diamond particles are  firmly welded to the base body or a tire body, diamond never fall off, so it is very sharp.
life is 2 times more than the Electroplated type, suitable for the superhard materials, glass, ceramics, stone, diamonds, etc.
2. Rubber layer on the back of this pad, is used to slow down the impact and vibration during the grinding process, so the grinding effect is more even and higher grinding efficiency.
 
Grit:     30# 50# 100#
Weight:   50g per piece
Size:     Diameter 4”/100mm
Package: 1 Piece