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 7/16″
• Calibrated load 1900kg
• Breaking load 4750kg
• Sensor dimensions 60 x 170 x 26mm
• Sensor weight 390g
• 2 x AAA batteries power supply