3M™ DBI-SALA® SSB Climb Assist System, with external counterweight, aids workers and provides fall protection while climbing lengthy ladders and towers. It’s ideal for use on land based and offshore drilling platforms, where environmental and work conditions can make climbing ladders hazardous. The counterweight includes a runaway brake for added safety. There is no limit to the length of the system providing ultimate jobsite flexibility. An extremely rugged aluminum housing and steel drum offer exceptional durability, corrosion resistance and field longevity.