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The efficiency of Carbo Ratchets allows for easier handling of loaded lines
The Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength
Automatic Engine Stop - If you fall over board the engine will stop as you hit the water
Harken 29mm Stand-up Block Boat Viper 16 Download the form by clickingConsider using the Harken 349 29mm Stand up Block series that includes Low friction Carbo Air blocks. These blocks, with a 29mm sheave diameter, can handle maximum line diameters of 8mm and working loads up to 150kg, or 330lbs. They are designed to be lightweight, strong, and affordable, making them a reliable and efficient choice for sailboat trimming. Add them to your collection of Big Boat blocks for a seamless, effortless experience.