One Piece Lifeline Covers. Integrated Lifeline Covers which Velcros around the boats Stanchions and includes the Polyethylene Tubing. 2 1/2 Inch Closed Cell Foam. Fabric-Naugahide. Sold as a Set of Two. Measurements are from the center of Stanchions-1.) 45 inches 2.) 86 3/8 inches 3.) 85 3/8 inches 4.) 76 inches. Measurements are fwd. to pushpit.