产品描述： 3M 281Q 3M（TM） Wetordry（TM） Polishing Paper 281Q, 3 Micron Sheet, 8 1/2 in x 11 in, 50 per inner 200 per case Superflexible non-woven backing for polishing of interior shapes and contours. Precision micron grading for uniform, consistent finish. Use wet or dry, on plastic, polyurethane, thin film disks, precious metal, fiberglass, wood, paint repair. Specifications: Grade - 1/2/3/9/15/30 MIC Width - 8 1/2 IN Length - 11 IN