Big Horn's 6-inch outside caliper is made of stainless steel with hardened fulcrum spring and points for long life. It is precision ground with threaded spool mechanism for infinite adjustment.

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Product Review

Big Horn's 6-inch outside caliper is made of stainless steel with hardened fulcrum spring and points for long life. It is precision ground with threaded spool mechanism for infinite adjustment.

  • Designed for External Measurements – Ideal for measuring outside dimensions of round stock, pipe, other or irregularly shaped materials. | Measurement Transfer Made Easy – Accurately transfers measurements to a ruler, layout tool, or workpiece with minimal error.
  • Durable Steel Construction – Forged steel legs and body ensure strength and durability in workshop environments. | Hardened Points – Provide precise, consistent marking on a wide range of materials for reliable layout work.
  • Precision Ground Legs – Ensures accurate alignment and contact with the work surface. | Threaded Spool Mechanism – Offers smooth, infinite adjustment for refined calibration, allowing for exact measurements.
  • Self-Seating Washer and Nut – Enables fast and secure locking of measurements, preventing accidental shifts during use. | Consistent Tension Control – Hardened and tempered bow spring and fulcrum spool maintain uniform tension without side play.
  • Compact and Versatile – At 6 inches, it's the perfect size for detailed, close-range measurements in tight or intricate workspaces.

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