Precise Maintenance - Made of high-quality alloy, durable. Each time you sharpen a tooth, you only need to pull the chain. Precise sharpening guarantees the repair of each tooth! PRECISE POSITIONING: The ratchet acts as a stop for precise and repeatable tooth positioning. Intimate and Perfect Design - The chainsaw sharpener is equipped with two fixed sharpening holes, one of which is fixed and the other movable back and forth, which is very flexible. If your saw blade has only one hole, you can remove the sliding rivet that can be moved back and forth, and then reinstall it for use. Precise Positioning - The ratchet acts as a stop for precise and repeatable tooth positioning. This lightweight chain sharpener is suitable for all types of chains, and most chains on the market can be sharpened. Ideal choice: Standard 30° sharpened front angle, anodized aluminum bracket with removable crank and guide ring set for all chainsaws. New appearance: Use the chainsaw chain sharpener and sharpen