Description
This is a high-precision internal groove micrometer with a measurement range of 5-30 mm. It is used to measure the internal dimensions of small grooves, slots, and recesses with great accuracy. The micrometer has a ratchet stop for uniform pressure and a vernier scale for precise readings. The spindle and anvil are made of hardened steel for durability. The micrometer comes in a wooden case for storage and protection.
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