5/16" Viadana Linked Ball Bearing Block

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A traveler block is used to run a sheet through a block that itself runs on a rope horse.
Since 1961, Viadana has produced and supplied sailing outfits, while offering a long history of experience in research, design, manufacturing, and marketing. Thanks to recent investments in production automation and new technology, Viadana is able to meet a wide range of requirements while maintaining its artisan tradition of quality and flexibility. Viadana has a reputation for using only the best available materials for nautical applications--stainless steel AISI 316 and AISI 304; aluminum alloys 6063, 6005, and 5154; and composite fiber, polymers as carbon fiber, and Delrin®. All Viadana products are rigorously tested inside our plant and in natural test areas that are close to the factory on Lake of Como. Laboratory procedures include mechanical tests of tensile strength and chemical salt-proof valuations. The range of Viadana products includes more than 600 items designed for windsurfing, sailboats, keelboats, and cabin cruisers—either for regatta or cruising. 
MAINTENANCE All the products manufactured by Viadana are designed longevity and low maintenance. Still we suggest regular maintenance, including fresh water washing for all travelers, blocks, and ball bearing cam cleats. Special attention should be given to pieces that are unused for a significant period of time.
Sheave size - 28mm / 1 1/16"
Max line size - 8mm / 5/16"
Overall Height - 51mm / 2"
Weight - 48 grams / 1.68 ounces
Breaking Load - 750 kg / 1,653 lbs
Max. Working Load - 150 kg / 330 lbs
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