This fits your .
Heavy gauge metal will not bend and makes a great cutting guide.
Clear embossed markings.
Pivot with lock screw.
Marked 0 - 180 and 180 - 0 degrees.
Ruler marked 0 - 10cm
Ideal for engineers, craft persons, model makers and more.
uxcell 195mm Length Round Head 180 Degree Rotary Protractor Angle Ruler Silver Tone - B01N6NCQSO