Safe and fast. Protect your hands. You don't need to touch the contents with your hands when using the tool. It is very safe to use. The lever-operated chainsaw sharpener offers a quick and easy method for sharpening chainsaws.It only takes 3 to 5 seconds to sharpen a chainsaw, which greatly increases efficiency and saves time. A very practical tool and an excellent gift for your father or husband.High-quality chainsaw sharpener. This chainsaw sharpener is made of high-quality ABS plastic and durable sharpening stones. Three sharpening stones are provided for replacement. Please note that the sharpening stonesThey are highly abrasion-resistant and keep the chain and guide bar lubricated to reduce friction, which helps extend the product's lifespan so you can continue using this chainsaw sharpener for years to come.throughout the year.Easy to use and carry, this chainsaw chain sharpener offers a quick and easy way to sharpen your chainsaw chain. Lightweight and portable, the STIHL sharpener is easy to use outdoors and protects your hands from the elements.injuries. In just 3 to 5 seconds, your chainsaw chain will be sharp again. Your hands don't need to touch the sharpening stone; simply press down on the chainsaw.Suitable for 14- to 20-inch chainsaw chains. This chainsaw blade sharpener is designed with two holes for mounting the sharpening blade; one hole is fixed and the other is adjustable for a very flexible mounting. For a single-hole blade,You can unscrew the 6 screws and remove the sliding movable rivets before installation and use.