General description This 3 in 1 300mm Square Right Angle Ruler is a versatile measuring tool designed for woodworking and other precision tasks. It features a spirit level on the square and protractor head, ensuring accurate measurements every time. Technical specifications Length: 300mm Material: Stainless steel Measurement scales: Metric and imperial Measurement allowed error: +/- 1-3cm Compatibility and accessories Includes: 1 * Corner ruler Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.