Fitment: Our Boat Rudder compatiable with Sundolphin 2, 3, 4, 5 seater and 5 Slider Pedalboats. Also, compatiable with the following KL Industries Sea Hawk. Please verify that the product matches your boat before placing an order. Specification: Color: Black. Made of plastic(PE) material, the Boat Rudder are built with strict quality control standards, not easy to damage. Durable to the wear and tear of use in the ocean. The PE Boat Rudder is not only light, reducing the weight of the boat while hiatus improves the control and speed of the boat. High strength: Because PE material has relatively high stiffness and strength, it is not easy to damage and deform under large external impact during driving. Low friction coefficient: Because the PE material Boat Rudder surface is smooth, the ship's driving can improve the efficiency of manipulating the ship and reduce fuel consumption to a certain extent. Package included: Includes Pedal Boat 2 3 4 5 Seater Pedalboat Rudder kit and mounting accessories as shown in the picture. Mounting using springs and cylindrical pins. Please note: Not include the instruction. Easy and fast installation.