Free shipping for all online orders

smarttune 5/8”

smarttune 5/8”


The smarttune range is designed for quick installation into standing rigging such as forestay/backstay/shrouds/diagonals. Available in 7 sizes for a wide range of boat classes (sensor size represents turnscrew/thread diameter). 

  • Thread size 5/8″
  • Calibrated load 3800kg
  • Breaking load 9500kg
  • Sensor dimensions 65 x 230 x 31mm
  • Sensor weight 620g
  • 2 x AAA batteries power supply

Free shipping for all online orders (Products sent DDP, local taxes may apply)


Want your load numbers to display on your marine electronics or phone?

Find out more

  • Easily replaces existing rigging turnscrew
  • Waterproof beyond IP68
  • 2x AAA batteries power supply
  • Approx 16 months battery life
  • Adjustable data rate via smartfittings app
  • Wireless connection to your phone via the smartfittings app
  • Wireless connection directly to Vakaros Atlas 2 and Sailmon MAX
  • Wireless connection to electronic boat displays via the Cyclops gateway
  • Data log for analysis stored in smartfittings app and Cyclops gateway
  • Lightweight and low windage
  • Accurate to +/- 1% of maximum working load
  • Designed to fit rigging with relevant working loads
Thread Size


Metric Thread


Breaking Load

9.5 tonnes


200 x 65 x 31 mm

Device Weight

620 g