This is the GrimRacer CNC Machined Turn Fin for the AquaCraft UL-1 Superior FE Hydro RTR 2.4GHz.
Increases performance and handling for 6-15 volt boats or .12- .18 nitro powered sport hydros. GrimRacer high performance turn fin and mounting bracket will help your boat turn faster with more stability in turns. It will also provide better straightaway handling. Aluminum in Construction and CNC Machined. Easy to install, Lightweight and Adjustable. Includes Stainless steel fasteners.