Starrett Single Portable Surface Roughness Tester, Precision Gage for Machinists and Inspectors, Handy Tool for Shop and Quality Checks, Tough Instrument Built for Daily Use

Starrett Single Portable Surface Roughness Tester
✔️ Single surface roughness tester, Accurate Readings

This Starrett Portable Surface Roughness Tester is a precision measuring tool for checking sizes, depths and tolerances. It's a must have in machine shops, quality labs and tool rooms. This is a single piece listing.

✅ Brand: Starrett
✅ Mfr part number: SR400
✅ Product type: Surface Roughness Tester
✅ Pack size: Single, 1 piece

💡 How do I read a micrometer or caliper correctly?

Good technique matters as much as the tool.

• Clean the part and measuring faces before every reading.
• Use light, steady pressure or the ratchet stop.
• Zero the tool and recheck it against a standard.

Pick up the Starrett Portable Surface Roughness Tester and keep your jobs moving.