Norton Flap Disc Metal R828 ZA, 4.5" x 5/8-11, Fiberglass Hub, Conical T29, Zirc Above Waterline Paint 50 discs per box for

50 discs per box for 40 grit

properly prepared and primed fiberglass or aluminum) and NOT recommended over other existing bottom paints besides itself

To prepare the surface for coating

Depending on the desired color depth

Weighing just 0

Norton Flap Disc Metal R828 ZA, 4.5" x 5/8-11, Fiberglass Hub, Conical T29, Zirc Above Waterline Paint 50 discs per box forProduct 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