Diamond Needle File Set, Set Of 10 | FIL-972.00 Ideal for getting in tight spaces while working with jewelry, wood, wax and clay Medium grit diamond electroplated onto high grade stainless steel 5-1/2 inches (140 millimeters) long Includes round, half-round, flat, three-square, square, warding, slitting, oval, knife, barrette 10 files included