Starrett 55-3 Hardened Steel Master Precision Square With beveled edges, 2-3/8″ Beam Length, 3″ Blade Length

Features

• Made of high quality tool steel
• Squareness accuracy to 0.0001″ (0.0025mm) every 6″ (150mm)
• The beam is grooved at the inner corner for clearance of burr or dirt
• Length of blade from the inner edge of the beam to the end of the blade
• The square has special screws to secure the blade to the beam