SPI Machinist Square with 9″ Blade – 13-628-3

• Manufactured 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

9 Inch Long Blade
5-1/2 Inch Long Base
0.0009 (Parallel), 0.0017 (Square) Inch Accuracy
Spring Steel Square

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