CNC Aluminum water pickup for approximately 30" to 36" boats. Break away design to stop damage when hitting submerged objects. Rudder measures 130mm from top to bottom. The distance from the transom to the leading edge is 86mm. Includes: (1) rudder assembly, See picture 1 Specs: Silver anodized aluminum Requires: 7/32 pn# ose-tubing-7/32-clear or 1/4" tubing pn# ose-tubing-1/4-clear Measurements: See picture 2 Note: Picture 5 shows this on a TFL Pursuit for reference only. No boat is included.