SPI Ball Anvil Micrometers
- Casting made with special clearance
- Carbide sphere on fixed anvil
- Carbide sphere or flat face on spindle
- Painted frame with plastic heat shield
- Spindle diameter: 0.250"
- Graduation: 0.0001" / 0.01 mm
- Accuracy: 0.00016" / 0.004 mm
- Ratchet Thimble
- Lever lock
- Certificate of calibration traceable to NIST
- Firnished in fitted case.