No more ball mounts, no more slipping or rotating in the track. With the LockNLoad™ mounting system this is the cleanest and most secure mounting solution for the Hummingbird Helix series; 5,7,9. Features the LockNLoad mounting system offering ultra secure attachment to YakAttack MightyMount’s, GearTrac, and most other kayak track systems from Scotty Fishing Products, RAM Mounts, and YakGear.