SPI Machinist Square with 4″ Blade – 13-626-7

• Manufectured to workshop grade specifications
• Hardened spring steel blades are permanently secured to beam to ensure rigidity
• Precision ground for straightness and parallelism
• Working edges of blades lapped to accuracy
• Blade length measured from inner edge of beam to end of blade

4 Inch Long Blade
3 Inch Long Base
0.0006 (Parallel), 0.0012 (Square) Inch Accuracy
Spring Steel Square

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