Safely and easily sharpen knives scissors precision tools household tools and more with this Cordless Knife Sharpener featuring a compact design with a high-speed sharpening stone a built-in guide that holds blades at the perfect angle and a shavings catch tray. Sharpener operates with an on/off push power button. Requires 4 AA batteries (not included). Measures approximately 5.75'' x 2.375'' x 3.5''. Instructions included.