Quantity : 1set ( 30mm 90mm ). Material: aluminum. We will try our best to solve the issue.
RC Boat Adjustable Aluminum Turn Fins For Rc Racing Boat High Speed Boat
1Pair CNC Aluminum Turn Fin 30x55mm 30x47mm Left and Right For RC Boat Marine
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CNC Aluminum alloy turn fins set 90mm*50mm applicable above 1.3m rc boat PZ208
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