0.4-0.9mm thick Blade Micrometer 25-50mm
Range: 0-25mm 25-50mm,
High Accuracy Top quality Blade micrometer
The anvil and the spindle have a blade for measuring the groove diameter of shafts, keyways, and other hard-to-reach portions
With ratchet stop for constant force
With a standard bar
Type: External Micrometer
Anvil Tip Type: Blade
Spindle Tip Type: Blade
Display Type: Vernier
Supplied in fitted plastic case
Thickness of blade: 0.4-0.9mm
Manufacturer: ROK international Industry Co., Limited
Brand: ROKTOOLS

To read a micrometer, you need to understand its parts, particularly the thimble and the sleeve. The sleeve has markings showing an inch divided into quarter parts. The thimble rotates around the sleeve, reading the correct measurements. You can practice how to read a micrometer by following instructions you can find online