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. Four complete sets with room for five. Five-place tool stand in a clear plastic storage case.WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov