SATC 4.5inch 28PCS Aluminum Oxide Flap Discs P40/60/80/120Grinding Wheel Sanding
About SATC Gre at Value Flap Disc. About SATC. SATC is a professional manufacturer of abrasive tools since 1990. Our flap Discs combine the grinding aspect of a grinding wheel and the polishing aspect of a sanding disc.