Pierre Aiguiser Double FaceMade in Japan, double sided and expertly balanced. Super practical. One stone, two steps: sharpen and hone. No need to swap tools. 280 grit: coarse, for dull blades and chipped edges. Revives the cutting edge. 1000 grit side: medium grit that takes over from the 280 grit side, smoothing out the edge and getting your blade clean and sharp With this clever combination, you can sharpen your knife using just one stone. Simple, effective, and easy on the