Item Description Chainsaw Teeth Sharpener Portable Bar-Mount Chainsaw Chain Sharpening Kit Fast-Sharpening Stone Grinder Tools for Saw Chain Sharpening Tool System Abrasive Tools (Yellow) Features: ABS PlasticThe Chainsaw Sharpener consists of abs plastic sharpener and whetstone, whetstone suitable for the sharpener mounted on the pole and give away an extra whetstone. Perfect DesignThe chainsaw sharpener is designed with 2 holes, for fixing the sharpening knife, one hole is fixed, the other is move back and forth and take it down, very flexible, suitable for 16",18",20", and suitable for one or two hole chain saw. The black bottom is elastic and adjusts the distance of the sharpener.(Not suitable for ECHO 16" and Husqvarna 455 20" chainsaw) Easy To UseCheck your chainsaw blade whether have two holes. If your saw blade is single-hole, you can remove the sliding cylinder on sharpener, then install and use. Remember to fix and tighten the black screws before sharpening the knife. Fast and EfficientThis chainsaw sharpener is not only fast but also accurate. Your chain saw become sharp only need a few seconds. It allows you to quickly and easily sharpen chain without taking off the chain. Keeps saw chain oiled for less friction and a longer lifespan. 100% SatisfactionThe whetstone is detachable. If the whetstone is loose after opening the package, this is normal, you just need to reinstall it. If you have any question, please feel free contact us. Specifications: Condition: New Warranty: 3 Years Material:Plastic + Whetstone Step 1: Open the Grinding Step 2 Fix the chainsaw on the hole of the sharpener Step 3: Close the sharpener and push the lock Step 4: Start the chainsaw and press down until it touches the whetstone for 3-5 second Package included: 1 * Chainsaw Teeth Sharpener (same as picture show) Notes: If your blade has only one hole, please drill another hole on the blade before using. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Item Pictures