Details:* 100% brand new and high quality * Made of high quality material, durable and practical to use * Rotary lawn mower.* Simple structure and practicality.* Convenient to use.* Durable to use.* Suitable for all rotary blades and lawn mowers.* Material: brown corundum * Mesh: 80* Sharpening lawn mower:* Size: approx. 50 47mm/1.97 1.85 inch* Rotational speed: max. 4500rpm* Color: Random ColorPackage Contents:1pc Lawn Mower Sharpening1pc Lawn Mower Blade BalancerNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.