• Industrial Grade Zirconia:VEVOR 10-pack flap discs is made of hard durable and wear-resistant zirconia material; the resin fiber and fiberglass backing plate are bond together to form a robust and tightly fixed structure that is not easy to fall off during use.

• Fast & Efficient Grinding: This 10-piece set of 40 grit flap discs features evenly distributed abrasive particles for a smoother finish. Designed for use with angle grinders, it reaches a grinding speed of up to 13,000 RPM, enabling you to complete your grinding tasks efficiently and effectively.

• Convenient to Use: This Type 29 bevelling grinding wheel is great for surface sanding and working on welded seams at a working angle of 5° to 15°, suitable for grinding on flat, curved, bevelled or concave-convex surfaces, making sure that edges or corners can be smoothly cut.

• Wide Application: This sanding flap disc is applicable to polishing on metal, wood and stone, grinding or finishing on concrete, metal de-rusting, welded seam trimming, deburring or other grinding/sanding work.

• Size Compatibility: With the diameter of 4.5 inches and the arbor size at 7/8 inches, this flap disc set can be compatible with various 4.5-in and 5-in angle grinders from various renowned brand names, such as DEWALT, Milwaukee, Makita, BOSCH, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, and Ridgid.