Scotty 273 Humminbird Piranha Sounder Mount Uses the patented Scotty post mount design for quick removal and infinitely adjustable rotation. Includes: - No. 241 Combination Side / Deck Mount and stainless steel fasteners, which allows mounting on a flat deck surface or on the side of a gunnel or transom. Mount Dimensions: 4" x 2" x 2" Bolting Dimensions: 1 5/16" x 3 3/16"
