Tough, flexible tapes for wet or dry application on lightweight, high strength, anodized aluminum frames. Unlike needle files, FLEX-I-FILE automatically follows compound curves, contour changes and fillets w/o leaving scratches or flatspots. -Removes flash from plastic or metal castings. -Smoothes and polishes rough surfaces and seams. -Follows irregular or flowing contours. -Provides a delicate touch for hairline accuracy.