Simple solution to backstay adjustment. You dont need an elaborate hydraulic system to make backstay adjustments. Wichard offers a mechanical solution that wont force you into becoming a hydraulics expert. These assemblies use an extra-long turnbuckle fitted with a adjusting wheel so that you can make quick tweaks to the backstay to get the desired weather helm or sail shape. The turnbuckle body features reference marks to allow you to return to known settings quickly and accurately. The threaded stud and turnbuckle body are constructed using 316 stainless steel for superior corrosion resistance. Key Features Mechanical solution for backstay adjustments All 316 stainless steel construction for superior corrosion resistance Turnbuckle body features reference marks to return backstay to specific setting Comfortable composite plastic wheel provides required leverage to make adjustments Provides 6 11/16" adjustment (pin to pin) May require modification to existing backstay to achieve desired adjustment range