PN1050 Penn Downrigger Adapter Plate The 4-hole pattern is a

The 4-hole pattern is a 2

The DM4800 Drain Management Adapter quickly connects to the bottom of the GM650 Gunwale Mount to provide positive water management when installing mounts in enclosed gunwales

here they are

The SC1036 Scotty Downrigger Adapter Plate mounts to the Burnewiin UM6080 Universal Mount insert

The GM500 is a perfect solution where you don't have room on the top surface of your gunwale to mount a GM650

PN1050 Penn Downrigger Adapter Plate The 4-hole pattern is aOur PN1050 Adapter Plate will allow you to bolt any Penn style downrigger to our UM6080 base. As you may know, Penn no longer makes downriggers, but the new Seahorse downriggers have picked up the design and use the same base bolt pattern. The fasteners to attach the PN1050 Adapter Plate to our UM6080 come with the UM6080 (the PN1050 Adapter plate does not include any fasteners). Constructed of thick 5052 aluminum with Type III Black Hard Anodized