WOLFF® Pro Scissor SharpenerThe Wolff Professional Twice as Sharp Electric Shear Sharpener can sharpen shears two to six times sharper than they were new. The shear sharpener accomplishes this through a 100 grit sharpening wheel that sharpens shears quickly. The system also includes a 600 grit honing wheel designed to polish the edges of the shears for better than brand new sharpness The Twice as Sharp system uses a free floating arm system and a shears lock to keep the scissors