Size: Please check the product picture for size. Strong material and easy installation: Simply attach to electric drills and view. remove the blade easily and quickly. made of stone sharpened and made of steel, strong and durable enough for your clipper to last longer. a clean, sharp edge again, and could use them many times for these 4 pieces. You will receive: 4 pieces of lawn blade sharpeners double layer, 1 piece blade balancer. The grinding wheels are made of high quality corundum, durable and strong, no melting of the grinding wheel due to high temperatures during grinding. The sharpeners of Knives work on most clippers without removing the blade, the clipper blade set is easy to use. Turf is widely used in the field. for sharpening lawn blades, drilling blades, cutting bar cutter, tillers, axes, mowers and shears.