Uxcell Grinding Wheel Single Point Diamond Pen Dresser, 3/8-Inchx1 13/16-Inch Product Name : Diamond Dresser; Material : Metal, Diamond Size : 9. 4 x 46mm / 3/8" x 1 13/16"(DH) Color : Silver Tone Weight : 25g Package Content : 1 x Diamond Dresser