Description: Material‘: Adjustable T Square Measuring Tool is made of aluminum alloy material, lightweight and sturdy Product List‘: 1 Drillings Positioning Ruler Layout Tool. Features‘: Multi Angle Measuring Ruler with adjustable positioning blocks, with auxiliary 2 axis bubble levels, sturdy and clear scale. Freely adjust measurement length and angle Multi Angle Measuring Ruler‘: Wood Workings T Square Ruler with an adjustable knob locks securely to allow angled measurements, angle markings 30°, 45°, 60°, 75 degree when measuring Wide Application‘: Multifunctional drillings positioning ruler can be used for drillings, nailing, or marking, installing door handles, and crafting shelves or cabinets Specification: Material: Aluminum Alloy Size Chart: 650mmx50mmx55mm/25.59inchx1.97inchx2.17inchPackage Includes: 1 Wood Workings T Square Ruler Note: Please allow slightly errors 1-2cm differences due to manual measurement.