Boss Built Digital Caliper With Extra Long Jaw 0 To 800 Millimeters And 31.5 Inch Span Stainless Steel Frame Lcd Display For Dead On Measurements Of Inner Outer Diameter And Depth On Every Diy Job

Extended Range Digital Caliper For Accurate Size Checks
✔️ Resolves 0 800 mm width with half tenth millimeter step

This heavy duty tool delivers dependable reads for machine shops, garage rebuilds, and hobby builds where larger spans matter. You pull it out whenever you need to gauge wide pipe edges, bracket flanges, or deep slot measurements that standard steel rulers miss.

✅ Captures inner and outer diameters across a full 0 to 800 mm sweep
✅ Dials fine half tenth millimeter steps down to 0 0004 inch resolution
✅ Stays reliable within plus minus 0 06 mm tolerance margins daily
✅ Toggles quick between metric scales and imperial yardage formats
✅ Hits ABS button to lock reference plates for fast chained layouts

💡 What does a precision digital caliper measure best on shop benches?
It snaps crisp dimension reads across aluminum extrusions and composite stock so your assembly stays square and makes quick swaps handy.
- Holds firm limits on outside edge widths inside tube bores and stepped recesses
- Keeps steady tracking across repeated cuts thanks to that absolute zero lock feature
- Flips output data between metric and imperial displays in one tap