Both styles include a black easy-grip locking knob, adjustable clear plastic magnifying pointer, non-corrosive hardware, easy to read numbers, a hang hole for storage, and a composite brake material for locking arms in place. All protractors except the 72” Dual Arm available with a Carry Case.
The single arm Equalizer™ Protractors come with either a 1/8” thick x 9” square clear polycarbonate or aluminum plate. The four edges of each plate are graduated; (1) 1/16” graduated left-to-right, (1) 1/16” graduated right-to-left, (1) 22 1/2 cm graduated left-to-right, (1) 22 cm graduated right-to-left. The degree scale is graduated to 1/2 degree with 1/4 degree readings possible.
The dual arm Equalizer™ Protractors 18”& 36” lengths, are made of anodized aluminum for corrosion resistance and have hang holes. The 72” dual make of 1/4” tk aluminum. The 4” diameter dial is graduated to 1 degree, with 1/2 degree readings possible. Arms rotate 270 degrees.
Various elements of industry find these protractors a much needed necessity to accurately measure/set-up angles, saving time and money in the process. Used by: Engineers, Welders/Fitters, Sheet Metal Fabricators, Tube and Pipe Fabricators, Wood Workers, Drafts Persons, Inspectors, etc. Related products; Check out our large Angle-Max™ stainless steel angles and Pocket Rocket™ pipe diameter calipers in our main catalog. ORC also makes specials to suit your application.