Function: Lawn mower blade balancer, can quickly test the balance of the mower cutter after sharpening. Durable Material: The precision blade balancer is made of premium plastic material, impact and wear resistant, sturdy and durable. Diameter Range: The diameter range of the lawn mower blade sharpener balancer is 9.5/11/12.5/15.8/19/22.5/25.5/28.5/31.5/35mm, can select different diameters according to the blade of different apertures. Wide Applications: Universal blade balancer, suitable for outdoor, courtyard and garden grass maintenance tools. Easy to Use: Practical lawn mower blade balancer with a simple structure, easy to see which end of the cutter is lighter and which end is heavier. Specification: Product size: 5cmx6cm/1.97inchx2.36inch Material: plastic Package Includes: 1Lawn Mower Blade Balancer Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store