Tigress Outrigger Backing Plates (sold individually) SHIPPING INCLUDED TO LOWER 48 STATE DESTINATIONS All stainless steel with safety line attachment for your rods. Fits all square and oval head rod holders. Crafted of 316 Stainless Steel Backing Plates Part Description 77900-2 Round Head Backing Plate 88525-1 Medium Backing Plate 88530-1 Large Backing Plate 88530-3 Universal Backing Plate