1. With its high-quality construction and versatile design, this combination square is a must-have tool for the woodworking shop to that the job is done accurately and efficiently every time. 2. Designed for professional woodworkers and DIY enthusiasts, this combination square ruler provides highly accurate measurements for precise cutting, marking, and layout tasks. 3. This angle-adjustable measuring tool is made of aluminum alloy to long-lasting accuracy and reliability. 4. whether you're building furniture, building walls or installing cabinets, this combination square ruler is the essential tool for achieving precise angles and straight lines in your woodworking projects. 5. This combination square ruler is a multi-functional tool that combines an angle ruler, level, and graduated pin, making it ideal for precise woodworking projects. :Woodworking name:Adjusatble Angles Ruler Measuring ranges: 40cm Colour:Red & Black Material:Aluminum Alloy Package Contents: 1 * Adjusatble Angles 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.