Precise and Sharp Cuts: Re-sharpens metal rotary mower blades quickly to the correct angle, restoring top cutting action in just minutes. There is also no need to remove the blade from the mower.Multi-Purpose: Re-edges and re-sharpens spades, hoes, lawn-edgers, axes and other garden tools and accessories, making them much easier and safer to use.Sharp as New: Reversible Corundum grinding wheel gives 10 mower blade resharpenings. Lasting for many seasons.Universal Fit: This sharpener fits any power drill, both corded and cordless, to get you working in no time.Maintain Your Lawn: Sharp blades give a clean cut and are healthier for the grass and safer for you to work with.size57*49*6mmweight70g/pcquantity:5pcsProduct color: blue, green, orange, red, black for your easy choice