Precision Maintenance - Made of high-quality alloy materials, durable. Every time you sharpen a tooth, you only need to pull the chain. Precise sharpening can ensure that every tooth is repaired! PRECISION POSITIONING: The pawl acts as a stop to ensure precise and repeatable tooth positioning. 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 back and forth, which is very flexible. If your saw blade only has one hole, you can remove the sliding rivet that can be moved back and forth and then install it for use. Precise Positioning - The pawl acts as a stop to ensure precise and repeatable tooth positioning. This lightweight chainsaw sharpener can be applied to all types of chains, and most chains on the market can be sharpened. Perfect Choice - Standard front angle ground to 30°, anodized aluminum bracket with removable crank and a set of guide rings for all chainsaws. Looks Like New - Use the chainsaw chain sharpening device to make your chainsaw as sharp as new, making your work faster and less strenuous! Lightweight, easy to carry, allowing you to work outdoors faster. Specification Product Name: Portable Manual Chainsaw Chain Sharpener Product Material: Aluminum Alloy Product Category: Chain Sharpener Operation Mode: Crank Product Use: Sprocket Sharpener