Sanding head penetration design, can adjust the grinding head do prefers Length, increase the life of the grinding head! Screwdriver with socket ，hexagonal Suitable do chain grinder All screws！ Tighten screws do use， Lightly loosen to remove ，Easy to use! Fits do most diamond saws on the market, and akcesoria are easier do buy! Larger size for more chainsaws. Upper can Left and right replacement，The appearance is more perfect！ Increase knob， Easy do rotate in use！ Material: ours is aluminum alloy plus tungsten steel grinding head; Looks like new:Put a tip-shaped chainsaw with a chainsaw blade on the chainsaw. Precise positioning:The rattle ensures precise and repeatable positioning of teeth. Precision maintenance: za time you grind your teeth, simply za the chain. This ensures that every tooth is restored! Ease of use:The sharpener is easy to use. Simply attach the do of the rod, set the ratchet on the tooth, insert the filament into the guide sleeve and turn the handle. Faster and more efficient :use the do tool to grind the chainsaw chain to make your chainsaw as sharp as the nowa, making your work more time-saving and labor-intensive IDEAL: Standard sharp angle of attack 30°, anodized aluminum clamps with removable cranks and a set of guide sleeves do chainsaws 12" - 20". Appropriate occasions: do chainsaw sharpeners can be used on almost all chainsaws. All carbide sizes fit do of the same tool. In general, the size of the chain is related to the size of the saw. Larger/stronger saw = long chain. Use large carbide. Small saw = small chain. Use small carbide. Size-determined by the chain stroke. Usually marked on the blade of the chainsaw near the engine. This number will be. 404, 3/8, 325, 3/8p or 1/4. Most chains are classified as 3/8 or 0.325 however, if you have 3/8, check if it is a large or small size. This is a large size Specification: Material: Metal ABS Color: Orange List: as shown Dimensional data errors caused by pure manual measurement. Couldn't be a bit