American Lawn Mower SK-2 Reel Mower Sharpener keeps your push mower blades in the best shape. This saves you time and effort when mowing your lawn because the sharp blades can easily trim grasses and weeds in one go. Maintaining your lawnmower blades doesn't have to be difficult. You can do it at home easily and safely with this lawn mower sharpening kit. It contains a detailed manual, so you can never go wrong when sharpening your lawnmower blades.