Digital caliper, 1-40mm, 5 point

The diameter of cutting tools with three or five flutes can not be measured with conventional calipers. These multiple point calipers make that measurement simple and accurate.
Supplied in a foam lined plastic box.

Functions: on/off, mm/inch selection, origin setting
Resolution: 0.01mm
Accuracy: ± 0.05mm
Max. measurement speed: 1.5m/s
Operating temperature: 0 deg. C to 40 deg. C
Storage temperature: -10 deg. C to 60 deg. C
Power supply: silver oxide cell (SR44) battery 1.5V
Battery lasts for one year of continuous use; three years is usual.