Smith’s EdgeStick Knife and Broadhead Sharpener features carbide blades for quick edge setting on very dull or damaged blades, precision ground carbides provide a sharper cutting edge, fine diamond stone for final edge honing, interrupted surface on diamond stone speed sharpening process, diamond stone can be used with or without a sharpening lubricant, diamond stone will not wear down like natural stone, cast aluminum Housing for durability and a fabric storage pouch for storage and easy transport.