EZARC Flap Discs 40 Grit, 4 1/2 x 7/8-Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack) Size:40 Grit cast steel and cast iron

cast steel and cast iron

perfect to handle tough extruder hot end nozzle clogs

AMTOVL Sand Blasting Guns Sandblaster + 4Pcs Ceramic Nozzles + Extra Iron Nozzle Tip Set

waterproof and dust-proof

or sand the 6 inch by 1 inch by 1 inch flapper wheel is the abrasive you're looking for

EZARC Flap Discs 40 Grit, 4 1/2 x 7/8-Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack) Size:40 Grit cast steel and cast ironEZARC Flap Discs 40 Grit, 4 1 2 x 7 8 Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack) Durable materials: Zirconia alumina materials have greater toughness than standard alumina abrasives, good wear resistance, and longer service life. Read more Product Features Universal Size EZARC professional flap disc is 4 1 2 x 7 8 Inch universal size, which suitable for most angle grinders. Fast & Efficient