Description: This item is manufactured of high quality aluminum alloy, corrosion resistant and durable, not easy to break. It can be used as a protractor, line scriber, saw guide and tri/meter square and a ruler, multi-functional. The lipped edge can be used for secure locating. Perfect tool for framing, roofing, building and remodeling projects. Features: Manufactured of high quality aluminum alloy, corrosion resistant and durable, not easy to break. Can be used as a protractor, line scriber, saw guide and tri/meter square and a ruler, multi-functional. Perfect tool for framing, roofing, building and remodeling projects. The lipped edge can be used for secure locating. Features metric and imperial measurements with clear graduation, convenient for measuring. Specification: Condition: 100% Brand New Material: Aluminum Alloy Color: Black Length of Side: Approx. 300mm / 12.0inch Package Weight: Approx. 544g Package Included: 1 x Ruler Note: 1. Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please understand. 2. Please allow 1-2cm differences because of the manual measurement. .