Precise tool used in structual thermal cutting and layout.
Tool base is a perfect square containing powerful cast-in magnets,permitting placement in any position.
Tool surface is embossed with a protractor insribed with two 90deg quadrants graduated in 1deg increments.
Top of the tool carries 18" ruler blade divided in 1/8" increments and can be locked in place at the desired angle setting by hand tightening of the adjustment knob.
Ruler blade is on a raised plane for use as a straight edge when flame cutting, without distortion or marring.
Blade will also accept attachements or extensions that allow an overall length up to 72".
Made of cast aluminium.
Pro-mag burning square #22 PN.0721-0020