Large USSR Soviet Dial Indicator Snap Gauge SI-850

Condition: New Large USSR Soviet Dial Indicator Snap Gauge SI-850 700-850mm/ 27.5-33.5" Professional high-precision measuring tool manufactured by Kirov Instrument Plant (Кировский инструментальный завод «Красный инструментальщик», USSR). Technical Specifications: Type: Dial Indicator Snap Gauge (Mechanical) Measuring Range: 700 – 850 mm / 27.56 – 33.46 inches Resolution (Reading): 0.01 mm Model: СИ-850 (SI-850) Manufacturer: Kirov Instrument, USSR Standard: ГОСТ 11098-75 Complete Set Includes: Large heavy-duty Snap Gauge with hardened measuring faces Original USSR dial indicator (mechanical) Solid wooden storage case with custom holders Original Passport All necessary accessories and setting rings (as pictured) This is a very large and rare precision tool designed for accurate external diameter measurements of large parts (shafts, pipes, cylinders, etc.) using the comparative method. Ideal for heavy industry, machine repair, metrology labs, and collectors of Soviet precision instruments. Condition: New old stock. Fully functional, stored carefully. Minor signs of age consistent (see detailed photos). Extremely hard to find in this size — especially with original case and documents. Perfect for: Professional machinists Industrial maintenance Tool collectors Technical museums Feel free to ask any questions. International shipping available. Please Note: All items are shipped directly from Ukraine, so delivery may take a little longer than domestic shipping. Every order is carefully packed, and tracking is provided whenever available. My VAT registration is currently being processed and will be available soon. I specialize in new old stock (NOS) industrial tooling, including a large selection of made in the USSR tools, as well as premium tools from Germany, Japan, the USA, Italy, and other leading manufacturers. I offer a wide range of drills, taps, dies, end mills, reamers, centre drills, countersinks, measuring tools (micrometers, calipers, gauges) ...