This little block is used for the "dingleberrys" (the 2 turning blocks on the mast for the outhaul) and can also be used at the clew of the sail either on a clew hook or a shackle. These are the same Harken blocks that come with the boat when new. These fit the Maffioli Swiftcord we have on our Line page. Sheave dia. (in) 7/8 Length (in) 1-1/2 Weight (oz) 1/2 Max. line dia. (in) 1/4 SWL (lb) 200 Breaking strength (lb) 1200 Availability: Usually ships the next business day. 224Regular price: $10.05Sale price: $8.54 Due to the wide variety of the size and weight of our items we will charge the actual cost of shipping in a separate charge on all orders. Please email us for a shipping cost estimate. Shipments outside the USA may have add on fees and duties by your own government. Sailing can be green! See our recycle your old sail offer Send us email