Starrett Master Precision Square
4-1/2" x 3-1/2" - 20-4-1/2

Master Precision Square is the finest precision-checking non-graduated square with accuracy to .0001" (0.0025mm) every 6" (150mm). This hardened steel square is used when extreme accuracy is required.

Features:

• The beams and blades are hardened, ground and lapped to ensure parallelism and straightness
• Made of high quality tool steel, with the finest of craftsmanship throughout
• The beam is grooved at the inner corner for clearance of burr or dirt

Specifications:

• Blade Length (in): 4-1/2"
• Blade Length (mm): 115mm
• Beam Length (in): 3-1/2"
• Beam Length (mm): 90mm
• Material: Steel

See all Starrett Master Precision Squares