This Drive Shaft Assemble Kit Include:
Drive Shaft + Shaft Sleeve + Universal Joint + 3 Blades Propeller + Gasket Set + Prop Nut Top + Stainless Steel Drive Dog + Mini Hex Wrench + Screws

Note: There are bearings between the shaft and the shaft sleeve, it could hold on high strength and speed in a whirl.

Specifications
The material of Shaft: Stainless Steel
The material of Blade: Nylon
Universal Joint Top Hole Diameter: 5mm
Suit for Motor Shaft Diameter: 5.0 mm
Drive Shaft Size: 300 x 4 mm (Length*Diameter)
Shaft Sleeve Size: 250 x 9.5 mm (Length*Outer Diameter)
3 Blades Propeller Size: 36-L
Prop Nut Spinner Length: 19 mm
Prop Nut: M4

Package Content:
1 x RC Boat Drive Shaft Assemble Kit