Calibration stickers help you get an accurate and consistent idea of which position your downhaul or outhaul (or wherever suits you best) are and act as a good reference point, helping you to understand the best positions to be in under any given circumstance for sailing.
 
Available in 2 sizes. The large one (29 x 3cm) is a vertical numbered calibration sticker, the smaller one (16.5 x 2cm) is a horizontal numbered calibration sticker.
 
Please select the one you require from the drop down list box. 
 
NOTE: Sold individually.