Optimist 7mm Anti-Kink Mainsheet
Anti kink sheet which can be used in 3:1 and 4:1 mainsheets (Single or double block on boom) when used with a mainsheet extender
6 metres of 7mm Anti kink sheet is ideal for up to 4:1 Mainsheets when used with a mainsheet extender.
The mainsheet extender is a strop that connects the mainsheet block to the boom with a quick release hook so less sheet is required
This smooth running rope makes this popular for racing dinghies of many classes