This thruster can be applied to 1/10 and 1/8 boat. It's the choice for RC boat hobbyists.

Features: 
Made of high-quality plastics and metal, it is and wear-resistant.
Suitable for 1/10 and 1/8 boat. It can also be applied to 540-550 brush motor and 3650-3674 brushless motor. 
Designed for the sailing environment, especially in shallow .
maneuverability and able to turn or go back.  
Perfect for pushing the boat powerfully by reducing the affection of natural flows.

Specifications: 
Name: Thruster set 
Material: ABS+
Color: black
Pushing : 8-10kg
Thruster size: 10*5*4cm
Pusher weight: 61g

3650 Brushless Motor size: 5*3.6cm
Max operating : 50000
Motor weight: 149g
Rated : 820w
Max Voltage: <18v
Max current: 45A
: 4mm Male golden banana  

Package information:
Size:15.2*14.9*5cm
Weight: 346g
Box package

Package list: 
1* Thruster 
1* Brushless motor 
1* Cooling tube
1* Other parts set
Note:There could be a few deviations due to manual measurement or slight color difference owing to photographing conditions. Thank you for your understanding.