Description: The kayak rudder helps keep the kayak straight or steer when you are paddling in windy or turbulent conditions Mounts on the stern of your kayak vertically, easy installation It is able to be secured when in the raised position to prevent the rudder from self deploying Rope run from the rudder to your foot brace which are used to control the rudder during paddling Work with foot control (Not Included) to achieve the effect of direction change and designed for seayak, kayak, canoe, angling boat etc. Specification: Material: Aluminum alloy Rudder Length: Approx. 50.5 cm/20 inch Screw Hole Diameter: Approx. 0.4 cm/0.16 inch Pin Size (L x D): Approx. 6 x 0.9 cm/2.36 x 0.35 inch Color: Black Package Includes: 1 Piece Kayak Rudder 2 Pieces Rope Buckle 2 Pieces Red Control Balls 1 Piece Line Note: The kayak and other accessories are not included in the package. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!