Stainless steel lacing anchors is the lacing anchors are made from stainless steel,  HVAC insulation supplies Co manufacture the lacing anchors in mild steel or stainless steel, the 2.5" and 4.5" long are the standard length.

They are used for lacing the reusable removable insulation blankets or covers. they are work with a self locking washers or Dome caps. after the lacing anchors are installed on the blankets or covers, use the lacing wire to lacing the hooks on the lacing anchors.