50-75mm 2-3" Digital Outside Micrometer - 3109 Series (Insize)

The Insize 3109 Series 50-75mm (2-3") Digital Outside Micrometer is a compact, precision tool designed for engineers, machinists, technicians, and hobbyists who need fast, accurate outside-diameter measurements. With a digital readout, carbide measuring faces, and a spherical anvil, it delivers durable, repeatable results on parts up to 100 mm (4 inches). The ratchet thimble ensures consistent pressure for one-handed operation, and the device includes convenient buttons for on/off, set, mm/inch, and ABS/INC, powered by SR44 or LR44 batteries. Setting standards are included (except 0-25mm/0-1"), speeding up calibration right out of the box.

• Digital precision at a glance: Resolution of 0.001 mm / 0.00005" with a clear LCD display to deliver fast, accurate readings without guesswork.
• Durable carbide faces with spherical anvil: Wear‑resistant contact surfaces and a stable anvil design for dependable measurements across repeated use.
• One‑handed operation with easy calibration: Ratchet thimble provides consistent contact pressure, while included setting standards (except 0-25 mm) speed quick, reliable calibration.

This micrometer supports a smooth workflow by delivering repeatable measurements quickly, reducing downtime, and ensuring reliable results across inspection and assembly tasks. Its straightforward controls, unit conversion, and robust build help you maintain accuracy from first measurement to final check.