General description This Chainsaw Sharpener is an efficient tool designed for quick and easy sharpening of chainsaw blades. It features a customized design suitable for 14, 16, 18, and 20-inch chainsaws, ensuring a razor-sharp edge in seconds without the need for direct contact with the sharpening stone. Technical specifications Material: High-quality durable plastic and sharpening stone Compatibility: Suitable for 14/16/18/20 inch chainsaws Design: 1 to 2 holes for the saw chain blade, with 2 pins (one removable) for fixing the chainsaw blade Usage Press the tip of the sharpener against a solid surface to sharpen your chainsaw quickly. If the saw does not contact the sharpening stone, press the spring to sharpen. Lightweight and portable, making it easy to use outdoors.