Total length: 198mm  Semi-circle scale: 0-180 °   Size: 0-100mm  Color: silver  Material: stainless steel        Features:  ** Round head: Makes it possible to anchor the protractor against objects to hold it in place as you take measurements  ** Measures: Deeply etched graduations read from 0° to 180° in forward and reverse directions and will not wear easily.  ** Adjustable design: Adjustable protractor arm locks into desired position with thumb nut to identify angles quickly and easily  ** Premium quality: Stainless steel for durability, precision, strength and rust resistance  ** Application: Ideal tool for students, machinists, carpenters and woodworking hobbyists, suitable for setting bevels, measuring and transferring angles         Notes:  1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding  2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.        Package list:  1 x protractor