Pass-Thru Tie-Off Adapter Anchorage Connector - Three feet long, the Tie-Off Adapter features pass-through type D-rings on either end of a 13/4" web wide polyester strap. For additional strength and wear protection, a 3" wide pad completes adapter. Pass-Thru Tie-Off Adapter Anchorage Connector Three feet long, the Tie-Off Adapter features pass-through type D-rings on either end of a 13.4" web wide polyester strap. For additional strength and wear protection, a 3" wide pad completes adapter.