3M 81432 4-Inch x 24-Inch Purple Regalite Resin Bond 100 Grit Cloth Sanding Belt, Pack of 5 N/A Made in USA 5 Belts Per Package For tough portable belt sanding jobs Features long-lasting, durable 3M Cubitron abrasive grain on a strong Y-weight cloth backing The closed coat feature provides a better finish and less aggressive cut than a comparable open coat abrasives of the same grade Resin bonded for heat resistance