This is a kind of quality table-saw angle ruler, compact size, fine workmanship, precise scale design, laser engraving, wear-resistant and not easy to fade. T-slot design, more suitable for mini table-saw. 0-180 dual-marking in two different direction, delivers high miter cutting accuracy for precise incremental control. You can have a try. Features: Compact size, fine workmanship, easy to use and can provides long service time. Precise scale design, laser engraving, wear-resistant and not easy to fade. High precise angle allows you to measure more accurately and create perfect crafts. T-slot design, more suitable for mini table-saw. 0-180 dual-marking in two different direction, delivers high miter cutting accuracy for precise incremental control. Equipped with extension bracket, and there is a 220mm scale marking for you to positioning. Specifications: Name: Angle Ruler Material: metal Item size: 180 * 220 * 10mm / 7.09 * 8.66 * 0.39in Package size: 250 * 200 * 50mm / 9.84 * 7.87 * 1.97in Package weight: 140g / 4.94ounce Packing List: 1 * Angle Ruler