RAM MOUNTS Adapter Plate with AMPS, VESA, 120° Hole
Amazon.com : 25mm / 1 inch to 17mm Ball Adapter for RAM Mounts B Size Double Socket Arm, Garmin 17mm Swivel Ball Mounting Pattern GPS Mount : Electronics
2pc Ram Mount Track Mounting Base Track Gear Attachment Adapter Kayak Track Mount For Kayak Boat Canoe Fishing Rod Accessories - Boat Accessories - AliExpress