Abrasive tools
　 |--Vitrified grinding wheel
　 |--Resin bonded wheel
　 |--Diamond wheel
　 |--Fiber glass tissue fiber glass backing for flap disc
　 |--Circular brush
　 |--Flap wheels
　 |--Sharpening stone
　 |--Mounted point
　 |--Rubbing brick
Coated abrasives
　 |--Sand paper
　 |--Sand disc<
　 |--Special sand disc
　 |--Sanding sponge
Abrasive Materials
　 |--Brown fused alumina
　 |--White fused alumina 　
　 |--Pink fused alumina
　 |--Black silicon carbide　 　 |--Green silicon carbide
　　　　　　　　　 (Grit)
　 |--Brown fused alumina　
　 |--White fused alumina
　 |--Black silicon carbide
　 |--Green silicon carbide
　　　　　　　(Micropowder)
　 |--Steel grit
　 |--Steel shot
Silicon carbide heating elements
Alumina balls and alumina brick