SeaLux Stainless Steel Surface Mounting Sockets /brackets for Removable Folding Transom Ladders/Pontoon/Gunwale Mount Ladders SeaLux Surface Mounting Sockets for Removable Folding Transom Ladders Pontoon/Gunwale Mount Ladders Bracket mounts to hull or deck for attaching latch type boarding ladders and cockpit steps. Stamped stainless steel self-locking Keyhole design keeps ladder in place yet allows for easy ladder removal. packed in pair, come with back plates for install on platform add in more force construction highly polished and attractive. 2-3/4" L x 1-3/8" W