Calculated Industries Wheel Master Pro 12 (6540)

SKU: 6540
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Have a Question? 919-467-7782


The Calculated Industries Measuring Wheel Master Pro 6540 is a commercial-grade distance measuring wheel designed for professionals. The balanced center-line design is easy to use, lightweight and folds to half size for convenient transport and storage. Well-built and ergonomically designed, it will give you a comfortable grip with dependable and accurate results you can count on for years to come.


  • Pistol grip handle for ergonomic comfort
  • Easy-to-read magnified counter measures up to 9,999 feet, 11 inches
  • Center-line design for balance and accuracy
  • Built-in carrying handle for easy portability
  • Hand brake on pistol grip for precise measuring
  • Sealed, gear-driven transmission for durability
  • Re-set the counter from grip handle or counter unit
  • Convenient, sturdy flip-down kickstand
  • 12.5″ diameter heavy-duty wheel
  • Folds to half size (from 38″ to 19″) for easier storage
  • Great for: Contractors, Estimators, Engineers, Landscapers, Paving Contractors, Real Estate Pros, Appraisers, Utility Personnel, Surveyors, Police Work, Facility Engineers, Telecommunications Contractors; Fencing, Flooring and Janitorial Specialists


  • Display: 6 digits, up to 9,999 feet, 11 inches (3048 m)
  • Accuracy: 99.7% (+/- 1″ in 30′)
  • Warranty: Two-year limited warranty
  • Box Weight and Dimensions: 5.2 pounds, 21.25 x 13 x 7 inches
  • Product Length: Extended: 38 inches, Folded: 19 inches
  • Wheel size: 12.5 inches dia. (31.8 cm), 39.3 inches circ. (99.8 cm)
  • Hinged Extension Handle with EZ Folding System
  • Protected Gear Transmission
  • Center-Line Design
  • Built-in Kickstand
  • Reflective Safety Tape
  • Carrying case included

Additional information

Weight 4 lbs
Dimensions 18 × 8 × 4 in


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