Layout is one of the most critical parts of woodworking. Whether you are building furniture or an entire timber frame structure you know that the layout is the first step to a tight-fitting joint! This tri-square has a number of features that help make layout go smoothly. Mark width and thickness simultaneously, mark over moulded edges and the adjustable bevel gauge allows you to strike and replicate angles. It is equipped with machine faced straight edges and re-setable Sheffield sprung steel blades. Excellent quality for a reasonable price in a tool with great versatility.