Uxcell Mandrel Diamond Coated Cut Off Grinding Wheel Discs (10 Piece), 1/8", 16mm Product Name : Diamond Grinding Disc;Main Material : Diamond , Metal Outside Diameter : 16mm/ 5/8";Mounting Hole Dia : 3mm / 1/8" Mandrel Shank Dia. : 3mm / 1/8";Mandrel Length : 35mm/ 1 3/8" Color: Silver Tone;Weight: 18g Package Content : 10 x Diamond Grinding Disc2 x Mandrel