3M™ DBI-SALA® Web Tie-Off Adaptor - 4 ft - 1002004 - 5/CS4 ft (1. 2 m) 3M DBI SALA Web Tie Off Adaptor, pass through type Our anchorage connectors are built from top quality materials providing high strength and durability to stand up to the toughest environments. Anchorage connectors are the unsung heroes of most fall protection systems, often overlooked but critical components because they securely attach your system to the anchorage. Your choice of anchor depends on the type of work being done.