ITEM NAME:180 degree Protractor Angle Finder Arm Measuring Ruler Stainless Steel Tool M7R2 description: 100% new high quality Made of polished stainless steel Double graduation from 0-180 degree Brass locking nut Color as shown Material: stainless steel Uses: Used to draw radial lines, setting bevels and transferring angles Packing: 1 x stainless steel protractor.Uses: Used to draw radial lines, setting bevels and transferring angles. Double graduation from 0-180 degree. Made of polished stainless steel. Material: stainless steel.