This very low profile downrigger base plate is permanently mounted to the boat's gunnel, while the swivel mount and downrigger which are attached to it are easily removed when you're not fishing.
Included with most mountsm you can buy additional base plates to allow for moving your downrigger with its mount to various positions on your vessel.
• Fits all Scotty downrigger mounts
• Dimensions: 5-1/2" x 5-1/2"
• Bolting dimensions: 4-1/2" x 3-1/2"
• Note: Alternate image shows a 1026 swivel mounted on top of this 1036 mounting plate