The smarttune 1/4” (the smallest in the standing rigging range) is designed for dinghies. In minutes it easily swaps in for the existing turnscrew in a forestay/backstay or shrouds/diagonals. 

• Thread size 1/4″
• Calibrated load 750kg
• Breaking load 1550kg
• Sensor dimensions 55 x 112 x 18mm
• Sensor weight 180g
• Wireless charging