Maxidiscs - Flap Disc 4 - Price Varies w/Size

Pearl Maxidisc - Flap Disc - 4" X 5/8" 15,300 max RPM

Aluminum Oxide Sanding Disc, Type 27, for use on Ferrous Metals, Iron, and Steel.

For your light grinding, sanding, blending and finishing needs.  
The high flexibility of this disc is ideal for working on uneven or curved surfaces.

40 Grit - Perfect for removal of heavy duty welding beads, grinding on structural steel, and removal of imperfections.

60 Grit - Ideal for removal of imperfections, rust removal and surface preparations. 

80 Grit - Perfect for rust removal and surface preparation, mold and die polishing.

100 Grit - Great for removal of burr and flash, mold and die polishing, and blending.