Universal lawnmower blade sharpener, 4 pieces, lawnmower accessories with 1 blade balancing kit (green and blue)

About this product Features: Use: The lawnmower blade sharpening test scale allows you to select different diameters on the blade holder to test according to the different blade openings. It is easy to see which end of the blade is light and which end is heavy. The heavy end is resharpened until the weight of both ends is the same. This blade balancer has a simple structure and good practicality. It allows you to quickly test the balance of the lawnmower blade. Specifications: Color: Blue-green Material: Brown corundum Bonding: Ceramic grinding wheel Shape: Disc grinding wheel Hardness: Brown corundum Outer diameter: 50 mm Hole diameter: Shank diameter 6.35 mm Maximum speed: 2 inches Mounting thread: 1 rpm List: 1 polishing stone * 4 pieces 1 balancer