"jinyou" brand flap discs are made of high quality material. Can be
in fiberglass or plastic backing. You can choose SIC, Zirconium
Oxide, ALOX or sintered material etc grain to meet your need. It is
usually used for grinding metal, stainless steel. Diameter: 4"
4-1/2", 5", 6", 7" Grit: 40-400, other grit can be order Max speed:
80m/s Features: Low noise, cool grinding processes with excellent
finishing effect, quick and easy to install.