RF72700%3A%26nbsp%3B6%3A1%20%26amp%3B%203%3A1%20TWO-SPEED%20MAINSHEET%20SYSTEM%2C%20RATCHET3%3A1%20coarse%2C%206%3A1%20fine%2C%20Ratchet%20and%20Ball%20Bearing%0D%0AFEATURES%0D%0A%0D%0ACoarse%20and%20and%20fine%20tuning%20purchase%20system%0D%0AUnrivalled%2018%3A1%20holding%20power%0D%0ADual%20sided%20On-Off%20switch%0D%0ALow%20friction%20ball%20bearing%20system%0D%0ALightweight%0D%0ACheek%20cut-outs%20for%20easy%20bearing%20maintenance%0D%0A%0D%0ASPECIFICATIONS%0D%0A%0D%0AB.L.%20(kg)%201700%0D%0AM.W.L.%20(kg)%20800%0D%0AMax.%20Rope%20diameter%20(mm)%2010%0D%0AWeight%20(g)%201490%0D%0A%0D%0AAPPLICATIONS%0D%0A%0D%0AMainsheets%20on%20sportsboats%20and%20keelboats%20to%2012m%20(40′)%0D%0AMax.%20mainsail%20area%2C%20END%20boom%20sheeting%20%3D%2038sq%20m%20(409%20sq%20ft)%0D%0AMax.%20mainsail%20area%2C%20MID%20boom%20sheeting%20%3D%2023sq%20m%20(248%20sq%20ft)%0D%0A%0D%0AMATERIALS%0D%0A%0D%0ACarbon%20Black%20Acetal%20ball%20bearings%0D%0AU.V.%20stabilised%20Acetal%20sheaves%2C%20alloy%20ratchet%20sheaves%0D%0ACheek%20plates%3A%20Anodised%20aluminium%0D%0ATorlon%26reg%3B%20ratchet%20pawl%0D%0AAdjustable%20cleat%20arms