8PCS Flap Wheel Set with 1/4" Shank - 80/120/320 Grit Brake Bleeder Kit It has the best balance

It has the best balance between softness and hardness for smooth drilling

especially concave and convex parts

corrosion resistance

metal sheet

And will provide more than twice as much rust protection

8PCS Flap Wheel Set with 1/4" Shank - 80/120/320 Grit Brake Bleeder Kit It has the best balanceKEY FEATURES MORE DURABLE & SHARPER: Made of high performance alumina particles and emery cloth substrate, These abrasive flap wheels have strong grinding power and high tensile strength. Not easily damaged by prolonged use. MOST COMMON SHANK SIZE: The 1 4 shank makes these abrasive wheels suitable to be used as sanding wheels for electric drills, cordless drills, die grinders. Always wear safety glasses and other protective equipment before using the