Starrett - Granite Master Squares - Five-Face

• Five-Face Granite Master Squares for checking of squareness or parallelism.
• Ideal for inspection the X, Y, & Z axes of machine tools.
• Accurately check the X-Y-Z axes on CNC machine tools and coordinate measuring machines.
• Laboratory Grade AA (.000025" per 6")
• Inspection Grade A (.000050" per 6 ")

These Items ship by Truck, please call us for estimated shipping cost.