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; The chain moves freely so you can thoroughly sharpen all sides This is a great portable tool used for sharpening in . Use the Chainsaw Vise to safely hold your saw in place while sharpening the chainsaw teeth/rakers to maintain and preserve the life of your chain saw blade Vice is easily tapped into a stamp, then clamps to the guide bar. Constructed from high-strength steel with a paint coated finish for maximum strength and ; Sturdy, pointed forks easily drive into any stump, Manufacturer: Akfldms