3M™ DBI-SALA® Blue Spreader Bar E522-SB1 (Each)The DBI SALA spreader bar is designed for use with harnesses incorporating confined space loops or D rings and is ideal for confined space entry exit and rescue and retrieval applications providing both comfort and security when lowering and lifting workers. The Spreader Bar forms part of a confined space rescue and retrieval system typically used with a Winch and Davit Arm or Tripod assembly to raise and lower a worker into and out of a confined