Premium Quality: Chainsaw sharpener made of high quality and durable materials, the chainsaw sharpening tool is installed inside the sharpener to keep the chain and guide rod , reducing friction and extending life. This bar mounted sharpener is durable, lightweight, and it can quickly and easily attach to the end of the guide bar. Easy to use and carry: Chainsaw blade sharpening kit, lightweight and portable, the chainsaw sharpening tool is easy to use outdoors. You don't need to take more time to work, unlike sharpening more time, save your time. It has two guide pins that secure the sharpener mounted to the bar ensuring perfect alignment between the stone and the cutter. EASY AND QUICK SHARPENING: This chainsaw chain sharpener provides a quick and easy way to sharpen chainsaw chain. The stihl chainsaw sharpener is lightweight, portable and easy to use outdoors, protecting your hands from injury. In just 3-5 seconds your chainsaw chain will be sharp again. Your hands don't need to touch the sharpening stone, just press the chainsaw. Features: Sharpens quickly in seconds Replaceable crescent shaped whetstone Fits any guide bar with two guide holes. Portable and lightweight. How to Use: 1. Open the plastic panel to 90 degrees 2. Attach the chainsaw to the two holes in the sharpener 3. Close the plastic panel and push the safety buckle 4. Press gently until it touches the whetstone Important: Always wear protective clothing , gloves and eye protection when using the sharpener. Note: If you have any concerns about the use of this device, please do not hesitate to contact us and we guarantee you receive a prompt satisfaction response. Features: Size: 226mmX144mm Material: plastic sharpening stone. Color: Yellow. Package contents: 1 X Bar sharpener 3 X Whetstone