Measuring Instrument Angle-ruler Template Tool Four-sided Ruler Mechanism Slides P20Great layout tool for creating complex shapes and angles. Easy to make repeat cuts on arches and joists. Template tool can be set to mark bricks, tiles, lumber, laminates, and others. The arms are calibrated in inches and metric measures. The Angle ruler folds for easy storage and utilizes a unique tightening mechanism for one handed operation. Portable and lightweight, take the Angle ruler on the go to any job site! THE ULTIMATE TEMPLATE TOOL: