/ Precision Measuring Tools / Precision Hand Tools / Protractors & Angle Measurements / Bevel Protractors / 490-18-4R * Not actual product image 52512 490-18-4R Bevel Protractor 52512 Other similar products Starrett Bevel Protractors have revolving turrets with direct reading double graduations a full 0 to 180 Deg in opposite directions. This permits direct reading of angles above or below the blade. Equipped with a handy spirit level. 18", 4R Grad, Reversible, Black Smooth. 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 Specifications Blade Length (in): 18" 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 Smooth Finish Parts Member of Kit Item #DescriptionPart No.QtyInformation 1PROTRACTOR HEAD, REVERSEPR-1224S1 2•TURRET LOCK SCR, #12PT990821 3••WSHR,.161X.347X.12601171-1/22 4••SCREW, .157-40 LOCK X .267 LONG01170-1/22 5••SPRING, .178X.220X.313X.021X 301173-02 6•FRAME, SMOOTH, REVERSIBLENOT AVAILABLE1 7•TURRET, PLAIN, SMOOTHNOT AVAILABLE (2)1 8••LEVEL ATTACHMENTPT991511 9•••HOLDER, LEVEL GLASS03419-01 10•••VIAL, 7mm X 1-1/16"13262-01 11•••LEVEL PLUG16358-01 12••SCREW, .125-40 SLOT X .225 LONG03421-01 13••LOCK BOLT COMPLETEPT990061 14•••BOLT, LOCK #11-1222658-01 15•••NUT, .231-2801083-01 16•••WSHR,.205X.380X.02007769-01 17•••SPRING, .260X.310X.563X.025 X501086-01 18BLADE ONLYB18-4R1