/ Precision Measuring Tools / Precision Hand Tools / Protractors & Angle Measurements / Bevel Protractors / 491-12-4R There is a newer version of this product available 435-12-4R 12" Combination Set with Square, Center and Reversible Protractor Head and Blade The Starrett 12" Combination Set with Square, Center and Reversible Protractor Head and Blade features reversible lock bolts, scriber, spirit level in both square head and protractor head, direct reading double 180 Deg protractor scale, hardened steel, photo-engraved blade. * Not actual product image 52521 491-12-4R Bevel Protractor 52521 Other similar products Note:This item is discontinued. Please consider the recommended alternative listed above or contact our special order department at (978) 249-3551 x410 for more information. Features Specifications Parts Contact Starrett Features Direct reading 0-180 Deg in opposite directions, permitting the direct reading of angles and supplementary angles Reversible, there is a shoulder on both sides of blade, allowing the tool to be reversed so the same angle can be scribed or measured left and right Reversible Black Smooth Finish Reversible lock bolt allows choice of which graduated side of the blade faces the operator Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish or smooth black finish Tempered steel blades with accurate, machine-divided graduations A spirit level indicates when the base reference surface is level - a feature not usually available on comparable protractors A spirit level indicates when the base reference surface is level - a feature not usually available on comparable protractors Specifications Blade Length (in): 12" Graduation Type: 4R Blade Graduations (in): 8ths, 16ths, Quick Reading, 32nds, 64ths Blade Finish: Regular Range (Deg): 0 - 180º Protractor Type: Reversible Protractor Finish: Black Wrinkle Finish Parts Member of Kit Item #DescriptionPart No.QtyInformation 10HEAD, PROTRACTORPR-1224W1 20•TURRET LOCK ASS'Y COMPLETEPT990822 30••SCREW, .157-40 LOCK X .267 LONG01170-1/21 40••WSHR,.161X.347X.12601171-1/21 50••SPRING, .178X.220X.313X.021X 301173-01 60•FRAME , WRINKLENOT AVAILABLE1 70•TURRET ASSEMBLY, WRINKLENOT AVAILABLE (2)0 80••SCREW, .125-40 SLOT X .225 LONG03421-02 90••VIAL ASSEMBLYPT990831 100•••HOLDER, VIAL08416-01 110•••VIAL, 9/32X1 1/1613262-01 120•••LEVEL PLUG16358-01 130••LOCK BOLT ASS'Y COMPLETEPT990060 140•••BOLT, LOCK #11-1222658-01 150•••NUT, .231-2801083-01 160•••WSHR,.205X.380X.02007769-01 170•••SPRING, .260X.310X.563X.025 X501086-01 180BLADE, #4 GRADB12-4R1