What You Get - You will receive 5 Lawn Mower Blade Sharpeners and 2 Lawn Mower Blade Balancers, enough for you to use or share, you can also use them as a backup of replacement. Unique Design - Corundum Lawn Mower Blade Sharpener, strong material, durable and strong, it can just attach to electric drills and sharpen your lawn mower blade nicely, can serve you for a long time, not easy to break, quite heavy so be careful in use. Lawn Mower Blade Balancers - The balanced blade is compatible with 42-100 model, can quickly test the mower balance, according to different cutting diameters, you can choose different diameter pitch on the support cutting for the balance test. Save time and energy - This lawn mower blade sharpener can sharpen the blade easily and quickly, less time and less waiting.It can save your time and energy, tools very practical for everyday life. Widely Used - These lawn mower accessories are suitable for outdoor, family, garden grass maintenance, compatible with many kinds of blades, such as lawn blade sharpening, drill blade, mower, bar cutter, the tiller blade, etc. These lawn mower accessories are suitable for outdoor, family, garden grass maintenance, compatible with many kinds of blades, such as lawn blade sharpening, drill blade, mower, the cutter bar cutter, the tiller blade, etc. Lawn mower blade sharpeners: It is easy to install and only takes a few seconds, you just need to install it on the drill to use it, it can effectively sharpen your dull blade. Lawn Mower Blade Balancers: The balanced blade is compatible with 42-100 model, can quickly test the balance of the cutter, according to different cutter diameter, you can choose different diameter pitch on the cutter holder for the balance test. Specifications: Color: as shown Quality: 5 pieces Material: high quality corundum Size: 5 x 4.7cm / 1.97 x 1.85inch (D * L)