Starrett 491-12-4R Bevel Protractor, Protractor Head, Reversible, Black Wrinkle Finish,12″, 4R Grad

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Starrett 491-12-4R Bevel Protractor, Protractor Head, Reversible, Black Wrinkle Finish,12″, 4R Grad

$133.00 (as of September 9, 2018, 7:19 pm) $132.44

Regular Blade Finish; graduations: No. 4R: 1/8″, 1/16″, Quick Reading, 1/32″, 1/64″
Direct reading 0-180 degree in opposite directions, permitting the direct reading of angles and supplementary angles
Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish; tempered steel blades with accurate, machine-divided graduations

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Description

A spirit level indicates when the base reference surface is level a feature not usually available on comparable protractors. Since the protractor heads and blades are furnished with combination square sets, individual protractor heads or blades can be ordered separately.
Regular Blade Finish; graduations: No. 4R: 1/8″, 1/16″, Quick Reading, 1/32″, 1/64″
Direct reading 0-180 degree in opposite directions, permitting the direct reading of angles and supplementary angles
Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish; tempered steel blades with accurate, machine-divided graduations
Reversible lock bolt allows choice of which graduated side of the blade faces the operator
A spirit level indicates when the base reference surface is level-a feature not usually available on comparable rotractors