Smith S 10 Oval Diamond Sharpening Rod 3001 Work Boots Fishing Footwear It includes a tighter – Color:Alpaca Tan Latte Brown Heather It includes a tighter – yet still breathable – weave that means less grit can enter the shoe and rub away at the fabric foot shaped toe boxes let your toes spread and relax for a natural fit Smith s 10 Diamond Sharpening Steel features a unique sharpening surface with a overlapping oval hole design which is coated with multiple layers of micron sized monocrystalline diamonds Smith s is proud to offer the ultimate in sharpening steel technology with the World s First interrupted surface diamond coated oval sharpening steel