This professional caliper is perfect for getting accurate measurements every time. Whether you're measuring outer or inner diameters, depth, or step dimensions, it covers you. It features a fine adjustment carriage and a locking screw to ensure precision, plus a rechargeable internal battery for convenience.

Specs.
Material: ABS shell and stainless steel 
Size: 150mm/6inch
Resolution: 0.01mm / 0.0005in
Screen size, 57x22mm
Rechargable Type C  3.7V 120mah
Usage time: When fully charged, it can last up to  3 - 4 months.

In the box:

• Caliper
• 45cm USB Type-A to Type-C charging cable
• Case
• Manual