Features RUSTPROOF & DURABLE This L gauge tool is made of reliable aluminum alloy for rust resistance and durability for long lasting use. PRECISE WORKING With the L cross ruler for woodworking, you can quickly and accurately draw crosses with different sizes and spacing of round holes. It can meet a wide range of different line drawing requirements. LAYOUT TOOL This woodworking scribing and measuring tool is the tool you need to arrange and measure along the edges of boards or other workpieces. This allows you to position the pencil tip exactly in the right place. PRECISE MANUFACTURE With the woodworking cross correction ruler, you can make precise parallel markings every 1mm (from 5mm to 49mm scale) using perforations. Thanks to the precise manufacturing capabilities, this ruler has an accurate scale. EASY TO USE With this woodworking scribe ruler, you can make round markings. Find the correct spacing hole in the scriber, insert the pen tip into the hole and move the ruler to draw the desired line. Specification: Item Type:Woodworking Cross Calibration Ruler Material: aluminium alloy. Model: T50. Package list: 1 x Cross Calibration Ruler for Woodworking Package List 1 x Woodworking Cross Calibration Ruler