Starrett LSS 55-4 1/2

Starrett Master Precision Square, Non-Graduated, Series: 55 Series, 4-1/2 in Size, Measuring System: SAE, 4-9/16 x 1-3/32 in Tongue, 5-1/2 in Width, 5/64 in Thickness, Hardened Steel, Plain

• Features

• The blades are beveled on both edges of each side, which provides an excellent visual line contact with the work
• These hardened steel squares are used when extreme accuracy is required
• The beams and blades are hardened, ground and lapped to ensure parallelism and straightness
• The beam is grooved at the inner corner for clearance of burr or dirt
• Made of high quality tool steel, with the finest of craftsmanship throughout
• Features 3-1/2 in beam, 0.0001 in accuracy

Specifications