SPI 3-Point Hole Mike, 4.000 - 5.000"
Precise Direct Measurement of Bore Diameters
Features:
- Models up to and including 0.24" have two measuring points
- Models 0.275" and above have three measuring points
- Calibrated setting rings on sizes up to 4" included
- Self-centering contact points for accurate measurements
- Contact points allow measurements near to the bottom of a blind bore or in a deep bore using additional extensions
- Ratchet thimble
- Carbide measuring surfaces
- Short Form Certificate of Calibration included on sizes up to 4"
- Furnished in a fitted case
- 2 year warranty
3-Point Hole Mike