Uxcell Handle Lapidary Jeweler Round Diamond Needle Files (10 Piece),, Red Product Name : Round Diamond Files;Material : Diamond, Plastic Shank Diameter : 3mm/ 0.118";Total Length : 140mm/ 5.5" Main Color : Red, Silver Tone Net Weight : 78g Package Content : 10 x Round Diamond Needle Files,1 x Plastic Pouch