1. This listing have many option .like UDI005 Upgrade propellers parts,UDI Arroow flex shaft propellers parts,UDIRC Tail Ruder For UDIRC Arrow 5 005 UDI005 UDI022 RC Boat,UDI Arrow UDI005-04 Cabin Cover Outside,UDI022 Tylosaurus Cabin Cover Outside UDI022-04. UDI005 RC Boat Battery,ETC. 2.This is the UDI Arrow Propellers Parts,you can easy to install them .UDI UDI005-09 Steel Rope parts For UDIRC Arrow 5 005 UDI005 UDI022 RC Boat.Also it can fit for udi tylosaurus parts Flex shaft. 3.A great replacement parts for the old or broken one We have tested it and it can be very easy to installed on this UDI Arrow UDI005 RC boat, so please rest assured to buy This RC Boat Parts. Color:Yellow or Gray or Black Color.(Random to ship it out) 4 After you received the package ,you can very easly to install them . just you can see the picture on our listing .