4-sided knife sharpener

This sharpener was invented for optimum sharpening of the knife. We can thus start with the side of the coarse grain leather and then successively use each side of the leather. We will finish with the side of the leather with the finest grain. The objective of this 4-sided leather is to obtain an exceptional cutting edge. 4 leathers of 300 x 50 mm:-2 suede leathers of different colors (ideal for using sharpening pastes).-1 cowhide leather for fine sharpening.-1 premium calf leather for finishing sharpening . It is possible to store a closing knife inside the sharpener. Weight: 470 grams This sharpener is entirely manufactured in Thiers in France.