【High-quality materials】The chain saw sharpener is made of aluminum alloy and stainless steel, durable and long lasting, as well as small and portable. The chain grinder is very suitable for workshops or garages to improve your hands-on ability. 【Convenient and fast sharpening】This is a hand-cranked chainsaw sharpener that can be used without connecting to a power source. It only takes 3-5 seconds to easily clean a blunt or rusty part of the chain. It provides a convenient, fast and energy-saving way to sharpen saw chains and is a good helper when it comes to sharpening blunt chainsaws. 【Standard 30° Sharpening Cutting Angle】Standard 30° front sharpening angle with removable crank and anodized aluminum attachment with a set of guide sleeves and 2 fixed sharpening holes, one to fix the sharpening hole and the other to move back and forth. The ratchet ensures precise positioning and acts as a stop to keep the teeth in the same position. 【Simple and Easy to Use】The chainsaw chain