Blade and protractor are Tin coated for extra resistance.
 Ultra-high contrast.
 Fully hardened and tempered.
 Nonreversible protractor, 12 4R blade, square, center head and blow-molded protective plastic case.
           Tin Coated 4.PC Combination Square Set
       
 
             
                         
                             
                 
                 
                 
                