Starrett Metric Vernier Depth Gauge Micrometre

Amazon

Measurement range of 0 up to 225mm, and resolution of 0.01mm Vernier scale for precise measurements in fine units Includes 3.2mm or 4mm diameter adjustable measuring rods to cover the range Bases and measuring surfaces are hardened, ground, and lapped for

Zoro Tools

This micrometer has a 63.5mm (2.1/2in) base and 3.2mm (1/8in) diameter measuring rod. Base and rod are hardened, ground and lapped. Furnished with ratchet stop, lock nut and case. Size 0-75mm. Rods 3. Graduation 0.01mm.