EZE LAP 13cm Oval Diamond Steel 600 Grit tormek knife sharpening jig Breathable fabrics are porous in Breathable fabrics are porous in nature and can collect dirt Lower: 4 Layer waterproof starting in the early 1970's Eze Lap has been the leading producer of diamond blade sharpeners thanks to their unique diamond process combined with modern technology to produce some of the finest products on the market for the lowest possible price Customers are still suprised that after years of use Eze Lap products still retain the same level of quality and consistency to their finishes thanks to the diamond construction used to create the flattest most consistent products on the market