Easy Marine Easymatic 2 Upper 8:1 4:1 Violin Block Double 93704 Easymatic ~ a mainsheet system with two gears. Thanks to the patented easy double servo cleat it is possible to make this revolutionary mainsheet system.Easymatic is available in series 1 ~ boats up to approximately 10m ~ 33ft and in series 2 ~ boats up to approximately 13m 0 42ft. The Easymatic system consists of an easy double cleat and a number of easy super blocks. The bearings are the same as in the roller bearing blocks. An extra large bearing diameter allows more rollers and offers a larger load carrying surface with very little friction. The Endless Main SheetBy splicing the two rope ends of the main sheet you obtain the most effective easymatic system. The wear on the rope will be divided over the entire length and you will never be short of rope to ease through either cleat. Splicing instructions are supplied with all easymatic blocks. Easymatic 2 Systems6:1 3:1 Blocks Required: 93702 and 937038:1 4:1 Blocks Required: 93701 and 93704 Weight: 720gBreaking Load: 1850kgWorking Load: 900kgMax Line: 10 ~12mmMax Boat: 12.92m ~ 40ftSheave Diameter: 7040x18