Precise maintenance - Manufactured ` Made from high quality alloy materials, durable. Every time you grind a tooth, you just have to do it. pull the chain. Precise sharpening can ensure that every tooth is repaired! PRECISE POSITIONING: The ratchet acts as a stop to ensure precise and repeatable positioning of the teeth. Intimate and perfect design - The chainsaw sharpener is equipped with 2 fixed sharpening holes, one of which can be fixed and the other can be moved around. back and forth, which is very flexible. If your saw blade has only one hole, you can remove the sliding rivet which can move back and forth, then install it for use. Precise Positioning - The Ratchet Acts as a stop to ensure accurate and repeatable tooth positioning. This saw sharpener Light chain can be applied ` all kinds of chains, and most of the chains on the market are available. can be sharpened. Perfect choice - Standard sharpened front angle ` 30, anodized aluminum support with removable crank and a set of guide bushings for all chainsaws. Look Like New-Use the chainsaw chain grinding device to make your chainsaw as sharp as new , making your work faster and less laborious! Lightweight, easy to carry transport, allowing you to work at home exterior faster. Specification Product Name: Portable Manual Chainsaw Chain Sharpener Product Material: Alloy 'aluminum< /p> Product category: grinding machine chain Operation mode: crank Product use: sprocket grinding machine