YakAttack Round Base Fish Finder Mount with Track Mounted LockNLoad Mounting System. With the LockNLoad mounting systemthis is the cleanest and most secure mounting solution for Garmin and Raymarine units featuring a 3 hole pattern round base such as the Garmin Striker 4 and the Raymarine Dragonfly 7 Pro. Features the LockNLoad mounting system offering ultra secure attachment, 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. Hardware included. GearTrac not included. Covered by the Built for Life Guarantee. Patent pending.