RC Boat Rudder 60*75*2mm CNC Low Resistance Rudder for Speed RC Mini-MONO Racing Boat

Boat Model 3mm Drive Hard Shaft Cable 304 Stainless Steel Sleeve Drive Dog

Boat Model 4mm Drive Hard Shaft Cable 304 Stainless Steel Sleeve Drive Dog

Boat Model 5mm Drive Hard Shaft Cable 304 Stainless Steel Sleeve Drive Dog

MINI-MONO Rudder Blade CNC Low Resistance 7075 aluminum alloy 75*25*2mm

MINI-MONO Stainless steel racing low resistance single side water knife - speedboat ,O boat turn assist water fin