/ Precision Measuring Tools / Precision Hand Tools / Squares / Combination Square Accessories / CB18-4R * Not actual product image 50089 CB18-4R Blade Only for Combination Squares, Sets and Bevel Protractors 50089 Other similar products Blade for Combination Squares, Sets and Bevel Protractors, Inch, 18" Features Contact Starrett Features 18" Length 4R - 8ths, 16ths, Quick Reading 32nds, 64ths Satin Chrome Finish