Quantity: one set Product power: 55W Product speed: 20000r/min Clamping range: 3mm Cordless rechargeable chainsaw: supports 2 hours working time. Free yourself from the chains of corded use. Efficient work: Fast cuts are only possible when all sharp blades are equal. But it is difficult to do this with hand tools. With this electric chainsaw sharpener, you can quickly sharpen all tools to the same angle and depth by simply adjusting the sharpening angle and moving back and forth across the groove, making your work more efficient. Easy to use: with safety switch. Whether you are new to the tool or an expert in the field, this powerful chainsaw sharpener can easily smooth chains in minutes. Easy to install accessories, quick adjustment of the sharpener, easy and uniform sharpening of the blade. Ideal for sharpening blades, scrapers, uxes, heads and handles. Lightweight and portable: The chainsaw is light and practical, comfortable to hold and easy to control. Diamond burs are the hardest and most durable abrasives and can reliably remove small amounts of metal. Fixed angle guides reduce vibration and prevent errors. Quick sharpening can improve the efficiency of outdoor projects. Good quality product