The 20mm stand up block is now standard in the Zim C420 as a lead for the boom vang control line. It makes a great upgrade from the former fairlead and can be used for a number of other applications...
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for...
22mm cheek block at the base of the mast used for the spinnaker halyard and the topping lift. Order the standoff spacer (20221) separately. Harken Part # 233A LP Part # 91338