3M DBI-SALA 3602050 Rollgliss RPD Rescue Positioning Device, 4:1 Ratio nikro 860146 The fans provide an energy

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3M DBI-SALA 3602050 Rollgliss RPD Rescue Positioning Device, 4:1 Ratio nikro 860146 The fans provide an energy3M DBI SALA 3602050 Rollgliss RPD Rescue Positioning Device, 4: 1 Ratio 50 ft. (15. 2 m) rescue and positioning kit with 4: 1 ratio, pulleys, anchor straps, two carabineers and carrying bag. The Rescue Positioning Device (RPD) is designed to perform as both a work positioning device and as a personnel rescue device. Along with raising and lowering capabilities, the rope in the device can be locked into place so that the user can be positioned in a