About Speedy Sharp Carbide Sharpener The Speedy Sharp Carbide Sharpener is comprised of a piece of Micro 100 Super carbide bonded to a 4 x 0.25 x 0.5-inch piece of steel. The small size and the extreme toughness of the carbide tip make this an extremely versatile little sharpener. The steel shank of the Speedy Sharp is sheathed in soft durable plastic, available in a variety of colors, and a plastic cap is included to protect objects, such as a bag or pants pocket, from the sharp edges of the sharpener. Sharpens any type of blade, straight edge, serrated knives, scissors, garden tools,fish hooks etc Life time warranty - NEVER WEARS OUT. The sharpening possibilities are endless Fits in your pocket, hunting pack, tackle box, kitchen drawer lightweight portable Made of MICRO 100 SUPER CARBIDE-PEELS THE STEEL- Made in the USA