/ Precision Measuring Tools / Precision Hand Tools / Squares / Combination Squares / 9-18-4R * Not actual product image 9-18-4R 18" Combination Set with Square, Center and Non-reversible Protractor Head and Blade 50044 9 Combination Sets with Cast Iron Heads Uses 11 Heads Steel Combination Set, Inch, 18" The Starrett 18" Combination Set with Square includes a reversible lock bolt, scriber, spirit level in both square head and protractor head, direct reading double 180 Deg protractor scale, and hardened steel, photo-engraved blade. The combination set with square also includes a cast iron head with black wrinkle finish. 18", 4R Grad, Regular Blade. Videos Features Specifications Downloads Product Testimonials California Prop 65 Other similar products 9-12-16R 12" Combination Set with Square, Center and Non-reversible Protractor Head and Blade 9-12-4R 12" Combination Set with Square, Center and Non-reversible Protractor Head and Blade 9-18-4R 18" Combination Set with Square, Center and Non-reversible Protractor Head and Blade 9-24-4R 24" Combination Set with Square, Center and Non-reversible Protractor Head and Blade 9M-300 300mm Combination Set with Square, Center and Non-Reversible Protractor Head and Blade 9ME-300 300mm and 11-3/4 - 23-1/2" Combination Set with Square, Center and Non-Reversible Protractor Head and Blade 9ME-600 600mm and 11-3/4 - 23-1/2" Combination Set with Square, Center and Non-Reversible Protractor Head and Blade Contact Starrett Videos Combination Square Tricks - Carpenter Tools Views: Features Reversible lock bolts, scriber, spirit level in both square head and protractor head Direct reading double 180 Deg protractor scale Direct reading double 180 Deg protractor scale Non-reversable protractor head Hardened steel, machine divided blade Regular Finish Blade Cast Iron Heads with Black Wrinkle Finish Specifications Made in America: Yes Blade Length (in): 18" Blade Finish: Regular Graduation Type: 4R Graduations: 8ths, 16ths, Quick Reading 32nds, 64ths Head Finish: Black Wrinkle Head Material: Cast Iron Head Types: Square, Center, Protractor Number of Pieces: 4 Protractor Type: Non-reversible Downloads 02781-0 13260-0 13262-0 13263-0 13265-0 13269-0 Vial SDS Sheet 02781-0 13260-0 13262-0 13263-0 13265-0 13269-0 Vial SDS Sheet 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. 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