ITEM NAME:Stainless steel 180 degree protractor angle finder arm measuring ruler tool ME Used to draw radial lines, setting bevels and transferring angles Made of polished stainless steel Double graduation from 0-180 degree Brass locking nut Brand new Material: stainless steel Color: as picture shows Size: 19.7cmx5.2cmx1.3cm(7.76"x2.05"x0.51") Package included: 1 x stainless steel protractor Note: Please allow 1-3cm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Used to draw radial lines, setting bevels and transferring angles. Double graduation from 0-180 degree. Made of polished stainless steel. Material: stainless steel. Size: 19.7cmx5.2cmx1.3cm(7.76"x2.05"x0.51").