Precision manufacturing: finely polished and chrome plated, durable and long-lasting. 45-degree oblique angle design: professional measurement, precise angle. Precision production: incision is neat, surface is smooth and free of burrs. Model Number: angle square Application: Wood Working Tool Intended Use: Woodworking Type: Combination, Knife edge square Product Angle: 45 degrees Surface Treatment: Laser oxide skin Note: This product is not a precision instrument and has a certain degree of accuracy error within a range of 0.2. If your accuracy requirements exceed this range, please make a careful selection. Please note: slight physical color variation may occur, which does not affect usability. Color: Red Material: Aluminum alloy Package Contents: 1 x Angle Square Only the above package content is included; other items are not part of this package. Note: Due to light reflection and differences in display screens, the color of the item in the image may vary slightly from the actual product. Measurement error allowance is 1-3 cm.