Perfect for increasing the height of the VISICarbon Pro, this 11" extension quickly and easily connects to all YakAttack MightyBolt mounted accessories. Compatible with YakAttack MightyMounts, GearTrac, and most other kayak track systems from Scotty Fishing Products, RAM Mounts, and YakGear. For FeelFree Kayaks, 3 Water Kayaks, and Jonny Boats you will need an adapter to be compatible. We offer the needed adapter in a single pack (AAP-1012) and a six pack (AAP-1012-6). Includes MightyBolt and threaded stud with o-ring retainer.