Checkmate brand’s MAX 300 Descender is a constant-rate descender with models available for both automatic hands-free operation and multiple descents with advanced rescue functionality, as well as a power-assisted option. MAX 300 models are multiple-user devices, with a maximum inclusive user weight of 660 pounds. The patented device is designed to be attached to the anchor point in regular mode of operation, or in an inverted mode while attached to the user.
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