1)boat marine propeller with 2 leaves 2)material:Cu1,Cu2,Cu3,Cu4,Ni- ... Steel 3)Used for boat, yacht or ship. boat marine propeller with 2 leaves1,Material: Cu1,Cu2,Cu3,Cu4,Ni-Al ... Bronze,Stainless Steel2,Boat propeller are used for yacht, boat or ship3,We can supply ... also an important factor6. Packing: Wooden Pallet packing. boat marine propeller with 2 leaves