Starrett 4R Grad Double Squares

• Very popular with machinists, toolmakers and pattern makers.
• The sliding blades are adjustable, making it more practical for a wide variety of uses than a common square.
• 4R (8ths, 16ths, 32nds, 64ths)
• Made in the U.S.A.

Features:

• The faces of the head are ground square and the 6″ square has a level.
• With hardened blade