The FAICALIN3 Inside Spring Caliper is a 3-inch (75mm) precision measuring tool for taking and transferring internal measurements in engineering and workshop settings. Manufactured from high quality carbon steel with a polished finish, the legs are made from carefully selected flat stock with heat treated points for durability. The legs pivot on a roller and are tensioned by a bow spring, while the knurled nut on the threaded rod provides fine, positive adjustment.
Features:
- High quality carbon steel construction with a polished finish
- Flat stock legs with heat treated points for lasting durability
- Legs pivot on a roller with bow spring tension for precise settings
- Knurled nut on threaded rod for fine, positive adjustment
- Designed for taking and transferring internal measurements
Specifications:
- Maximum capacity: 75mm (3in)
- Minimum capacity: 10.5mm
- Material: Carbon steel
- Finish: Polished
Should I choose the 3in or 6in inside caliper?
Choose the 3in (up to 75mm) for smaller internal measurements; choose the 6in (up to 170mm) for larger bores and openings.