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
Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming. Zim Applications C420/CFJ: spin...
