45mm Rotary Blade Sharpener
Don't throw away those old blades! Sharpen them, and use them again and again! The Rotary Blade Sharpener is good for over a hundred sharpenings. Restores a razor-like edge to the rotary blade. Once Dual Rotary Blade Sharpener is assembled properly, twist handle (clockwise & counter-clockwise) against the sharpening disk.