BERGER Sharpening Stone 5706 , for sharpening and honing all Berger products with blades. Double-sided with coarse and fine grit (150/280 grit) . Dimensions: 100 x 25 x 13 mm. The coarse side is for sharpening dull blades and for refinishing minor damage to the edge. The fine grit is for resharpening blades that are not yet dull . Sharpening stones should always be used wet ; therefore, it is advisable to soak them in water for a few minutes before use .

- Also available as a larger version 5707, 200 x 50 x 25 mm