0-180 Degree Round Head Angle Protractor, Multifunctional Stainless Steel Angle Protractor, Round Head Angle Protractor for Engineers, Painting, and Drawing - LIAIKI

【2-in-1 Protractor Ruler】 By combining a ruler and a protractor, lengths (0-25 cm) can be determined with the fixed ruler, and lengths (0-30 cm) can be measured by moving the ruler.

【High-Quality Material】 The angle measuring ruler is made of high-quality stainless steel for greater durability and abrasion resistance. The product's surface is smooth, scratch-resistant, and wear-resistant, ensuring long-term use.

【Easy to Use】 The metal protractor can be rotated 180 degrees by adjusting the nut and can be locked at a fixed angle in the desired position for quick and easy angle measurements.

【Accurate Use】 The protractor ruler uses a metric scale and can be used to measure both angle and length. The graduations on the base and ruler are precisely laser-engraved and then filled with black for durability and easy readability. [Widely Used.] Perfect for students, machinists, DIY projects, carpenters and woodworking enthusiasts, vehicle maintenance and repair, construction, drawing radial lines, setting bevels, and transferring angles.