Aluminum Dual Rudder For 1/4' Shaft RC Boat

Aluminum Dual Rudder For 1/4' Shaft RC BoatSpecification:Color: SilverMaterial: Aluminium alloyLength: 140mm (5.5'')Width: 75mm (3'')Height: 140mm (5.5'')Features:? In use with 1/4" shaft.? Can easily be fitted to transom.? It has a dual water pickup for engine cooling (one per rudder).? Aluminum alloy dual rudder for gas / nitro powered mono, deep vees, hydros, catamarans etc.Notice:1.Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.2.The color may have different as the difference display,pls understand.Package Included:1 x Dual rudder