GET A CLEAN EDGE: The blade sharpener features a quality grinding stone that's strong and sturdy enough to ensure your trimmer has a clean, sharp edge. Convenient to use: This sharpener can be used for both electric drill and hand drill to sharpen dull blade, mow faster with less effort. Rotary Balance: Our clipper sharpeners feature perfect rotational balance that allows Save Time and Effort Widely Used: It is an effective tool for sharpening lawn blade, drill blade, mower, sickle bar cutter, tillers, hand drill and so on, make the edge more effective. Size: 50 x 47 mm (DL) and suitable for most electrical appliances. Convenient to use and very effective. Please note that due to manual measurements and display differences, there may be slight differences between individual products and photos.