0-180 Degree Round Head Protractor, Multifunctional Stainless Steel Angle Protractor, Round Head Protractor Engineer Protractor for Painting Drawing

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

【Quality Material】 The angle measuring ruler is made of high-quality stainless steel for longer durability and abrasion resistance. The surface of the product is smooth, scratch-resistant, wear-resistant, and can be used for a long time.

【Easy to Use】 The metal protractor can rotate the protractor 180 degrees by adjusting the nut, and can lock the ruler at a fixed angle at the desired position to measure the angle quickly and easily.

【Accurate in 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-etched and then filled with black for long life and easy readability.

【Widely Used】Perfect for students, machinists, DIY projects, carpenters and woodworking enthusiasts, vehicle maintenance and repair, construction, drafting for drawing radial lines, setting bevels and transferring angles.