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We are living in a world moved by technology; a world that is changing every single minute; and a world full of innovation that is kicking in and reshaping every aspect of our life. ROLLOVA is a product of that very nature — a digital ruler that transforms the way you measure things. Most importantly, a ruler that measures a variety of surfaces easier than ever before. ROLLOVA is a pocket-friendly ruler that measures curves, lines, and a variety of surfaces that is compatible with major units of length. With one easy roll at a time, ROLLOVA provides you with an accurate measurement on its OLED screen.

Successfully funded on Kickstarter at $105,015

  • Replacing your traditional ruler with a pocket-friendly gadget
  • 10000:1 high-contrast ratio OLED screen provides brighter display & outstanding energy efficiency
  • Measures everything from flat surfaces to curved objects
  • Full stainless steel body combining the best of ruggedness, precision & style
  • Compact size for measurement on the move


  • Model: Rollova 2.0
  • Material: 304 stainless steel, 7075 aluminium alloy, nylon plastic, silicon rubber
  • Product dimensions: 2.04" x 2.04" x 0.5"
  • Display: 1.2" OLED display (bright blue)
  • Accuracy: maximum tolerance ±0.4%
  • Compatible units: inch (decimal), inch (fraction), centimeter (decimal)
  • Measuring range: 10 meters in metric mode, 83ft in inches mode
  • Standby time: 18,000 hours w/ 2x CR1632 battery
  • Hozo Deisng Warranty


  • Rollova 2.0 Digital Ruler
  • Black Genuine Leather Case
  • User Manual (EN, CN, JP)
  • 2x CR1632 Batteries


  • Ships to US
  • Expected Delivery: Feb 4 - Feb 6


  • All sales final.