General description This 90 Degree Ruler Right Angle Woodworking Square is a professional-grade tool designed for multiple purposes, ensuring accurate angles for woodworking, welding, and furniture assembly. Crafted from durable aluminum alloy, it enhances efficiency and stability in your projects. Technical specifications Material: Aluminum Alloy Color: Black Package Contents: 1 set x Woodworking Square Ruler (2 pieces of aluminum alloy positioning ruler, 4 sets of fixed clips) Measurement allowed error: +/- 1-3 cm Usage Equipped with multiple fixing holes for easy adjustment to meet specific project needs. Features imperial and metric scale design for simple and precise measurements. Includes a 90-degree positioner for enhanced functionality. 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.