Premium Materials Our chainsaw vises are made from high quality metal materials for maximum strength and longevity, the sturdy teeth easily sink into any tree stump Easy to use Simply push the vise into the stump, log or log, place the saw blade in the vise and tighten the thumbscrew to hold the saw in place. The chain moves freely so you can Fully sharpen all sides Perfect Size The size is approximately 125*77mm. The jaws adjust to the size of the chain and use heavy-duty thumbscrews to lock the bar securely in place. Convenient overall size to suit you Pocket for sharpening your chain on the job site when working in the field Wide Applications Our chainsaw vises are used to hold wood to hold the guide bar stable when filing the chain on the saw. Providing you with a safe way to sharpen your chain at work or on the road Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be some color difference, the actual object received shall prevail.