Free shipping for all online orders

smarttune 5/16”

smarttune 5/16”


The smarttune 5/16” (the second smallest in the standing rigging range) is designed for sports and day boats. In minutes it easily swaps in for the existing turnscrew in a forestay/backstay or shrouds/diagonals. 

  • Thread size 5/16″
  • Calibrated load 1000kg
  • Breaking load 2450kg
  • Sensor dimensions 55 x 112 x 18mm
  • Sensor weight 180g
  • Wireless charging

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
  • Wireless charging
  • Fully charged in 1 hour
  • Up to 2,000 hours 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 displays
  • Wireless connection to wired boat electronics 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