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of buoyancy
these blocks are the most efficient choice for smaller boats
The ratchet function engages at higher loads to allow the old kite sheet to run free for crisper gybes
With built in Bluetooth technology
Designed for efficient spinnaker take-downs during mark roundings
Harken 22mm Upright Block Boat Nacra Infusion of buoyancyThe Harken 22mm Upright Block, Part No. 243, has a 22 mm sheave diameter and a maximum line diameter of 6 mm (or 7 8 in and 1 4 in, respectively). With a maximum working load of 91 kg (or 200 lbs), these blocks are designed to provide low friction performance for smaller sailboats and dinghies, and are suitable for a variety of control lines on boats of all sizes. Compact, lightweight, and efficient, these blocks are sure to meet your expectations.