Vintage Inside Calipers Machinist Measuring Tool Adjustable Steel USA

Vintage inside calipers used for measuring internal diameters of holes, bores, and cylinders. Solid steel construction with fine-thread adjustment screw and locking knurled nut.

No visible maker’s mark found, which is common with early machinist tools. Likely early–mid 20th century shop tool.

Ideal for:

• Machinists & metalworkers

• Tool collectors

• Restoration projects

• Industrial or shop display

Details

• Type: Inside calipers

• Material: Steel

• Adjustment: Screw-type with knurled lock

• Origin: Likely USA manufacture

• Era: Vintage

Natural wear adds character. Can be cleaned for use or left original for display.