EZELAP Diamond Products 8" x 8" x 3/8" Diamond stones Diamond pads aligned at the precise angles allow for quick sharpening for most types of broadheads. Includes a handy diamond knife and hook sharpener to create the complete sharpener. 8" x 8" x 3/8" Diamond Plate Model Description 151SF Super Fine Grit (1200) 151F Fine Grit (600) 151M Medium Grit (400) 151C Coarse Grit (250) 151XC Extra Coarse (150)