Description Tormek SP-650 Stone Grader: Fine side: Transforms 220 grit stone to 1000 grit for fine sharpening (press for 30 seconds) Coarse side: Restores original 220 grit and refreshes stone surface (press for 30 seconds) Specifications: Material: Ceramic bonded silicon carbide Measurements: 83 x 255 x 58 mm Weight: 450 g
