Stainless steel protractor angle gauge measuring arm measuring ruler 0-180° with 140mm ruler

Material: The angle measuring ruler is made of high-quality stainless steel. The product's surface is smooth, flat, scratch-resistant, wear-resistant, and rust-resistant, ensuring long-lasting use.

Unique Design: The 2-in-1 stainless steel square ruler can not only accurately measure angles from 0° to 180°, but also easily and quickly measure lengths from 0 to 140 mm.

Easy to Use: The metal protractor allows you to quickly and easily measure angles by rotating it 180 degrees using the adjusting nut and locking the ruler in the desired position at a fixed angle.

Wide Range of Uses: The protractor is an important tool in many fields, commonly used in machinery, crafts, construction engineering, building and maintenance engineering, etc., and can be used in homes, offices, and schools.