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Description
3M 33443, 36+ File Sanding Belt
- 1/2 in X 18 in
- 10 belts
Containing precision-shaped abrasive grain, coated on a heavy duty backing w and resin bonded for heat resistance. Precision-shaped ceramic grain fractures into sharp points for faster cutting and is engineered to run cooler, reducing metal discoloration/oxidation and the chance of heat-related stress cracks.