Combination Square Ruler makes it quick and easy to draw crosscuts, miters, miters, rips, lay out any angled line and find the center of a circle, dowel or rod. This woodworking square is the perfect tool for checking the depth of dado cuts and joinery, or for calibrating and setting the height of table saws, miter saws, joint fencing and milling . Combination Square Ruler is a precise gauge used to check the accuracy of any angle, which is essential when making frames and cabinets, or in any woodworking or metalworking project. When it comes to versatility and accuracy, the combination Square set is a must have in your toolbox. It makes drawing, marking, finding and verifying lines, angles and saw cuts easy. Premium set includes steel square head with level and scribe, center head, 180 protractor, reversible iron locking bolt, metric and imperial 12inch ruler Colour:As Shown Material:Aluminum alloy + stainless steel Size:30 x 2.5cm Package Contents: 1 x Multifunctional combination angle ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.