Woodworking Angle Ruler, 180 Degree Circular Saw T-Square Angle Ruler, Miter Saw for DIY Woodworking [PRECISE ANGLES] - Our protractors are accurate, clear, and easy to read. The numbers on the scale are engraved with exquisite craftsmanship and will never fade. [HIGH-QUALITY MATERIAL] - This angle ruler is made of high-quality aluminum, making it sturdy and durable. It's corrosion-resistant for long-lasting use. [EASY TO USE] - The adjustable screw design is very convenient. You can rotate the ruler and tighten the screws to better measure the scale, making it truly easy to use. [180-DEGREE ANGLES] - The angle scale is designed with a semi-circular protractor for measuring oblique angles, and dual directional scales help measure angles accurately. [WIDE RANGE OF APPLICATIONS] - Suitable for DIY crafts, student drawing, architectural design, carpenters, and woodworking enthusiasts, etc. Description: - Compact size, fine workmanship, easy to use, and provides a long service life. - Accurate scale design, engraved, wear-resistant, and not easily lost. - High-precision angle allows you to measure more accurately and create perfect crafts. - T-slot design, more suitable for mini circular saws. - 180° adjustable, offering high-precision miter cuts for extra accurate control. Specification: Ruler Length: 90mm / 3.54 inches; T-Slot Size: 180x10mm / 7.08x3.93 inches Package Includes: 1 pc Angle Ruler Note: Please allow 1-3mm measurement error due to manual measurement. Due to different monitors and effects, the actual item's color may differ slightly from the color shown in the pictures. Note: Data is based on manual measurement, please allow 1-113 cm error. Due to differences between light and screen, there will be some color difference; the specific item received will prevail.