Lawn Mower Blade Sharpeners Kit Brand new Metal Design It effectively prolongs the service life and improve use effect of the product. The lawn mower blade sharpener works for power drill and hand drill, handy and greatly effective. Easy to use, quick sharpening blade. The grinding stone of blade sharpener is solid and sturdy enough to sharpen your blade as a new one. New Metal Design Our new blade sharpener is made of corundum , with a stainless steel baffle. Easy To Use & Widely Application It only takes 10s to install.Fits any power drill and hand dril Replaceable Design We provide whetstone replacements for the Lawn Mower Blade Sharpeners. It is easy to replace the whetstone when it is weared out. Lawn Mower Blade Sharpener Material: Corundum & Stainless Steel Size:1.78 x 1.85 inches / 45.2 x 47 mm Note for Operation: The direction of the power drill rotation should be Opposite to the direction of the screw in whetstone . If not ,the screw in sharpener may become loose during operating . Package included : 4 PCS Lawn Mower Blade Sharpener 1 PCS Lawn Mower Blade Balancer