No more wasting money on new blades! You can now sharpen your blades with the push of a button! Diamond grit stones provide longer lasting and better sharpening Improved power output for quicker sharpening times Precision blade alignment for highest level of blade edge sharpness Sharpens 3 sizes of rotary blades – 28mm, 45mm and 60 mm Product Features Sharpens Rotary Blades with the Push of a Button Sharpens 28mm, 45mm, and 60mm Blades New Diamond-Grit Sharpening Stones Included Works with Most Brands of Rotary Blades Use: Sharpener Size: 3in x 3in x 5in Made of: Plastic and Metal