... /316,Steel... 3:Polishing and Machining finished.. motor/marine propeller stainless steel1,Material: Cu1,Cu2,Cu3,Cu4,Ni-Al ... Bronze,Stainless Steel2,Boat propeller are used for yacht, boat or ship3,We can ... by means of co-operating with many ship design, marine propeller5,While quality is paramount, we know that ... . Packing: Wooden Pallet packing. stainless steel motor/marine propellers