Features: Use the radius template to guide the way on a router table, easily adding a perfect corner radius to your project. It has four different radii -- 15mm, 20mm, 25mm, 30mm. Two styles for options -- radius or trapezoid. Designed with pins, which makes locating the templates on the corner of your workpiece quick and accurate. Made of durable aluminum and brass, with fadeless laser-engraving mark, which will last for years. Perfect for cutting corner from wide panels or sheet goods like plywood or MDF.