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All Categories > Underwater Lift Bags > Underwater Boulder Bags > Item # MJBB-1000  

Item # MJBB-1000, Underwater Boulder Bags

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Boulder Bags derive their name from gold dredgers and nugget hunters who use them for lifting boulders in the shallow rivers of California's mother- lode country. They are designed to get a maximum amount of lift from a single lift-point in a minimum depth of water. For example, the 2000 pound Boulder Bag gets its total lift in less than 3 feet of water, whereas the 2000 pound Open Bottom Bag requires almost 8 feet of water. These bags are very durable and have been used as air jacks capable of exerting several thousand pound of force over a large area.



Unit of Measure: Imperial Metric Both

 Specifications   

Lift Capacity
1000 lb

Shipping Weight
21 lb

Height

56 in

Width
58 in

Volume at Surface
16.0 ft³