Flap disc 4.5"X7/8"-40 grit (blue-TYPE27)

What is for sale: Flap disc 4.5"X7/8"-40 grit (blue-TYPE27)

---

Flap Disc 4.5"x7/8"-40 Grit (Blue-Type27)
Flap Disc T27 (40 Grit-Zirconia)
Machine: Electric Right Angle Grinder
Use: Sanding and Polishing Welds, Rough Edges, Etc. For Mild Steel, Stainless Steel, Iron, etc.
Blade Dimensions: 4-1/2" x 7/8"
Wear eye, face & body protection. Do not drop. Mount wheel & use wheel properly per ANSI B7.1 OSHA. Use guards.
What is the difference between Zirconia (Blue) and Aluminum Oxide (Red)?
The Zirconia (Blue) discs are made using better materials and should only be used on Stainless Steel and Aluminum. Both Red and Blue can be used on Iron, Steel, Etc.