Features 1、This woodworking tool consists of a triangles ruler, a straight ruler and a compass limit block, which can be used to draw parallel lines, perpendicular lines, crossing lines, circles, arcs and so on. 2、High-quality aluminum alloy material with anodized surface, sturdy and wear resistant. Adopting lasers engraving technology, the metric and imperial double scale is clear and accurate. 3、Hole ruler design, each hole represents 1mm, two holes are 2mm apart, find the hole corresponding to the scale, insert the pen into the hole and move the ruler to draw the desired line or arc. 4、Compass limit block helps quick positioning, supports 360° rotation, can be used for angle measurement or scribing. T-shape design, can be effectively fixed on the edges of the board, easy to slide. 5、Lightweight and easy to use, perfect for carpenters, DIY woodworking enthusiasts, engineers and more. Specification Features: This woodworking tool consists of a triangles ruler, a straight ruler and a compass limit block, which can be used to draw parallel lines, perpendicular lines, crossing lines, circles, arcs and so on. High-quality aluminum alloy material with anodized surface, sturdy and wear resistant. Adopting lasers engraving technology, the metric and imperial double scale is clear and accurate. Hole ruler design, each hole represents 1mm, two holes are 2mm apart, find the hole corresponding to the scale, insert the pen into the hole and move the ruler to draw the desired line or arc. Compass limit block helps quick positioning, supports 360° rotation, can be used for angle measurement or scribing. T-shape design, can be effectively fixed on the edges of the board, easy to slide. Lightweight and easy to use, perfect for carpenters, DIY woodworking enthusiasts, engineers and more. Specifications: Color: Red Material: Aluminum Alloy Length: 300mm / 400mm(optional) Package Size: 425 * 95 * 42mm/ 16.7 * 3.7 * 1.7in Package Weight: 300mm: 132g/ 4.7oz 400mm: 146g/ 5.1oz Packing List: 1 * Woodworking Scriber Package List 1 * Woodworking Scriber