InSize 3203-66A Outside Micrometer Set 0-6 Inch with Ratchet Stop

The InSize 3203-66A is a professional-grade outside micrometer set designed for precision measurement applications in machine shops, quality control labs, and manufacturing environments. This comprehensive 6-piece set covers a complete 0-6 inch measuring range with exceptional 0.0001 inch (one ten-thousandth) graduation resolution.

Set Includes:

• 0-1 inch micrometer
• 1-2 inch micrometer with setting standard
• 2-3 inch micrometer with setting standard
• 3-4 inch micrometer with setting standard
• 4-5 inch micrometer with setting standard
• 5-6 inch micrometer with setting standard
• Blow-molded protective carrying case

Key Features:

• Carbide measuring faces for extended tool life and superior wear resistance
• Ratchet stop mechanism ensures consistent measuring pressure and repeatable results
• Spindle lock feature maintains measurements during reading
• 0.256 inch spindle diameter provides rigidity and stability
• Hardened, ground, and lapped spindle threads for absolute accuracy
• Satin chrome finish with clear graduations for easy reading
• Certificate of inspection traceable to NIST standards included
• Manufactured in accordance with DIN 863 specifications

Each micrometer (except the 0-1 inch) includes a precision setting standard for calibration verification. The fitted storage case keeps all components organized and protected. Variable accuracy specifications: ±0.00016 inch (0-2 inch range), ±0.00020 inch (2-4 inch range), and ±0.00024 inch (4-6 inch range).