Features:

This product is store own workshop design and produce. Welcome for bulk order.
Applied stainless stell, and high precision manufacture.
The Shaft and sleeve tube with high concentricity.
The shaft kit added waterproof O- Rings one both side of sleeve tube.

Description:

Product:  4mm Stainless Steel Marine Boat Prop Shafts +Shaft Sleeve Tuber Set
Material: Stainless Stell
Diameter of Shaft: 4mm (Sleeve diameter: 10mm)
Shaft Length: 10/15/20/25/27/30/35 cm etc.
Shaft Sleeve length: 5cm short than shaft length
Two high speed bearings and waterproof-rings at the end of the shaft sleeve.

Size Explain:

For example:
Shaft 25-Sleeve 20cm
Shaft length=25cm (Dia.4mm)
Shaft Sleeve length= 20cm (Dia.10mm)

Package Included:

X 1 Piece 4mm waterproof shaft kit (The length is for optional）

Picture: