InSize 3400-3 Outside Micrometer with Counter 2-3 Inch Range

The InSize 3400-3 is a precision outside micrometer with mechanical counter designed for accurate measurement of external dimensions in the 2-3 inch range. This professional-grade measuring instrument features a dual-reading system with both a traditional thimble graduation and a mechanical digit counter for enhanced accuracy and ease of reading.

Key Features:

• Measuring range: 2-3 inches
• Counter resolution: 0.001 inch for quick reading
• Thimble graduation: 0.0001 inch for ultra-precise measurements
• Accuracy: ±0.00020 inch
• Carbide measuring faces for exceptional durability and wear resistance
• Ratchet stop/thimble ensures consistent measuring pressure
• Jaw depth: 1.752 inches
• Lock nut for securing measurements

Included:

• Outside micrometer with counter
• Setting standards for calibration verification
• Spherical anvil attachment
• Certificate of inspection traceable to NIST

The mechanical counter design eliminates the need for batteries while providing clear, easy-to-read measurements. The carbide-tipped measuring faces resist wear and maintain accuracy over extended use. Ideal for machine shops, quality control laboratories, manufacturing facilities, and precision metalworking applications where reliable dimensional verification is critical.