Lightweight%2C%20low-friction%20wire%20blocks%20carry%20wire%20halyards%20and%20high-strength%20control%20lines%20on%20boats%20of%20all%20sizes.%0D%0APart%20no.%20309%3A%26nbsp%3B%26nbsp%3B51mm%20Wire%20Cheek%20Block%0D%0ASpecifications%0D%0A%0D%0ASheave%20%26Oslash%3B%20(mm)%2051%20mm%0D%0ASheave%20%26Oslash%3B%20(in)%202%20in%0D%0AWeight%20(g)%20170%20g%0D%0AWeight%20(oz)%206%20oz%0D%0AMaximum%20wire%20%26Oslash%3B%20(in)%203%2F16%20in%0D%0AMaximum%20wire%20%26Oslash%3B%20(mm)%205%20mm%0D%0AMaximum%20line%20%26Oslash%3B%20(mm)%206%20mm%0D%0AMaximum%20line%20%26Oslash%3B%20(in)%201%2F4%20in%0D%0AFasteners%20(mm)%208%20RH%20mm%0D%0AFasteners%20(in)%205%2F16%20RH%20in%0D%0AMaximum%20working%20load%20(kg)%20907%20kg%0D%0AMaximum%20working%20load%20(lb)%202000%20lb%0D%0ABreaking%20load%20(kg)%201814%20kg%0D%0ABreaking%20load%20(lb)%204000%20lb%0D%0AFootnote%20Fasteners%20included%0D%0A%0D%0A%26nbsp%3B%0D%0A%0D%0A%0D%0AResources%2FReferences%0D%0A%0D%0A%0D%0A%0D%0ANeed%20help%20to%20design%20your%20Harken%20system%20-%20take%20a%20look%20here%20for%20the%26nbsp%3BHarken%20System%20Guides%20and%20Drawings%0D%0ATake%20a%20look%20here%20for%20all%20the%20official%26nbsp%3BHarken%20Support%20Information%0D%0A%0D%0A%26nbsp%3B