• Easy to install: The chainsaw combination tool installs in the sharpener and can be used at any time, allowing you to sharpen the chain quickly. Keep the chain and rails lubricated to reduce friction and extend their lifespan. • Versatile design: Equipped with 2 fixed grinding holes to fit different types of chains. One of the holes is fixed and the other moves back and forth, allowing it to adapt to saw blades with different configurations. • Durable material: Made of stainless steel alloy, this sharpener is extremely strong and durable. The legs provide precise and repeatable positioning of the teeth. It only takes 3-5 seconds to sharpen a dull chain. • Enhanced safety: Easy to use outdoors and designed to protect your hands from injury. The sharpening tool is ready to use in the blink of an eye. • Includes: 3 grinding heads, a device, and the sharpener itself. Keep your chainsaw like new, saving time and effort on the job. Ideal for loggers and gardeners. • Product dimensions: 2.5 cm wide, 2.5 cm high, and 2.5 cm long.