4 Blades For Rc Boat 55mm 4pcs Cw Ccw 4-blade Plastic Propeller For Rc Model

Durable material: Made of premium plastic material, strong and durable for long term use. 
Fit for: The pair of propellers are suitable for 4mm shafts. With strong thrust, the propeller can be used for remote control underwater boat. 
Light weight: Compact size and light weight will not add much load on the boat to ensure safe operation.