Feature 1Accurate Manufacturing: The woodworking cross correction ruler allows you to accurately parallel mark every 1 mm (from 5 mm to 49 mm scale) using perforations. With accurate manufacturing capabilities, this ruler has an accurate scale. 2Accurate Work: The woodworking L cross ruler helps you to draw crosses quickly and accurately, with different sizes and spacing of round holes. A wide range of different line drawing requirements can be met. 3Easy to Use: You can use this woodworking scribing ruler to make wrap around marks. Find the right distance hole in the scribe, insert the pen tip into the hole and move the ruler to draw the desired line. 4Rustproof and Durable: This L type measuring tool is made from reliable aluminium alloy for rust resistance and durability for a long life. 5Layout Tool: This woodworking scribing and measuring tool is the tool you need to lay out and measure along the edges of boards or other workpieces. It allows you to position the pencil point accurately in the right place.Item Type: Woodworking Cross Calibration RulerMaterial: Aluminium alloyModel: T50 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Woodworking Cross Calibration Ruler