General description This Precision L-Type Aluminium Alloy Square Scribe Marking Line Drawing Ruler is designed for woodworking, allowing you to draw lines quickly and accurately. Its T-shaped design ensures a tight fit against the board, making it easy to use for various line drawing needs. Technical specifications Material: Aluminum alloy Color: Red Size: 420mm (16.5 inches) Measurement allowed error: +/- 1-3cm Other information Package Contents: 1 * Ruler Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.