Spring Joint Caliper 12 Inch Inside Caliper for Wood Turning Lathe Work, Adjustable 350mm Length, 20mm Width, Solid Nut, Forged Stainless Iron With Heat Treatment, Durable High Carbon Steel Build

Single Unit: 12-Inch Spring Joint Inside Caliper
✔️ 350mm length, 20mm width, 12in max opening, forged stainless iron

Inside calipers are handy measurement tools used to gauge inner diameters, grooves, and bore widths in cylindrical parts. They are widely used in wood turning lathe work and metal fabrication to transfer precise dimensions to a ruler for marking or setup.

✅ Inner diameter measurement transfer to ruler
✅ Forged stainless iron body with heat treatment for durability
✅ High-carbon steel legs with hardened points for precise marking
✅ Fine adjustment via adjusting nut for accurate setup
✅ Max opening 300mm (12in); length 350mm (13.78in) and width 20mm (0.79in)

💡 What is an inside caliper used for in a workshop? Handy, practical use-case overview:
- Handy for measuring inner diameters and groove widths
- Transfers precise dimensions to a ruler for layout and marking
- Useful in wood turning lathe work and metal fabrication
- Provides quick, repeatable readings with an adjustable nut