/ Precision Measuring Tools / Precision Hand Tools / Protractors & Angle Measurements / Bevel Protractors / 490-18-4R There is a newer version of this product available 491-18-4R Bevel Protractor Note:@@This item is discontinued. * Not actual product image 490-18-4R Bevel Protractor 52512 490-491 Bevel Protractors Bevel Protractor, 18", 0-180 Deg 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 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 490-12-16R Bevel Protractor 490-12-4R Bevel Protractor 490-18-4R Bevel Protractor 490-24-4R Bevel Protractor 491-12-16R Bevel Protractor 491-12-4R Bevel Protractor 491-18-4R Bevel Protractor 491-24-4R Bevel Protractor 491ME-300 Bevel Protractor C490-12-4R Bevel Protractor C491-12-4R Bevel Protractor 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 Made in America: Yes 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 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account. Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements. 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 California Proposition 65 Warning WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov