BERGER whetstone 5707 , for sharpening and honing all Berger products with blades. Two-sided with coarse and fine grain . Dimensions: 200 x 50 x 25 mm. The coarse side is used to sharpen blunt blades and to repair "minor" damage to the cutting edge. The fine grain is used to resharpen blades that are not yet blunt . Whetstones should always be used when wet and it is therefore advisable to soak them in water for a few minutes before use .

- Also available as smaller version 5706, 100 x 25 x 13 mm