Norton Flap Disc Metal R828 ZA, 4.5" x 5/8-11, Fiberglass Hub, Conical T29, Zirc Sunmight Abrasives The discs feature a durable

The discs feature a durable plastic plate + X‑cloth backing that is crease‑ and tear‑resistant

Optimized airflow engineering reduces heat buildup during extended polishing sessions

Available in 80 to 1

4" length is great for use on both large surfaces and hard to reach areas

Norton Flap Disc Metal R828 ZA, 4.5" x 5/8-11, Fiberglass Hub, Conical T29, Zirc Sunmight Abrasives The discs feature a durableProduct Overview: Norton Metal R828 ZA Flap Disc 4. 5" 5 8" 11 Thread, Fiberglass Hub, Conical T29 Shape with quality zirconia alumina grain offer good consistent performance with low initial price point. The tough yet lightweight fiberglass and resin backing plates enhance comfort during operation by absorbing vibration and it's an economical Type 29 conical shape. Type 29 conical flap disc are designed to be used a right angle grinder for stock