Function: The Chainsaw Vise can safely hold your saw in place while sharpening the chainsaw teeth/rakers to maintain and preserve your chain saw blade. Fit All Size: This chainsaw vise can be adjusted to fit all chain sizes. And it compact size is convenient to carry, great for sharpening a chain on the spot. Easy to Use: Simply push the vise into a stump, log, or cut of wood, place the saw bar into the vise, and tighten the thumb screw to securely hold the saw in place. Durable: Made of hard steel and paint coated finish, anti-corrosion, sturdy and durable , can offer long term service. 100% Satisfied Service: Enjoy a smooth & worry-free return service within a month; any questions feel free to contact us, we will be here for you.