Starrett Double Square, 3-1/2x9/16 In, 4R Grad, 2 Pc, Tough Instrument Built for Daily Use, Pro Grade Measuring Tool for Accurate Readings, Precision Gage for Machinists and Inspectors

Starrett Double Square, 3-1/2 x 9/16" for Daily Work
✔️ 2-piece set, 3-1/2 x 9/16", Pro Grade Precision, Accurate Readings

Meet the Starrett Double Square, a precision measuring tool for checking sizes, depths and tolerances. It's a must have in machine shops, quality labs and tool rooms. You get a 2-piece set in one order.

✅ Brand: Starrett
✅ Mfr part number: 13A
✅ Product type: Precision Square
✅ Pack size: 2-piece set
✅ Size: 3-1/2 x 9/16"

💡 How often should measuring tools be calibrated?

Regular checks keep your measurements trustworthy.

• Most shops check tools every 6 to 12 months.
• Calibrate any tool that gets dropped or damaged.
• Use gage blocks and ring standards to verify accuracy.

Add the Starrett Double Square to your kit and work smarter.