Armstrong Speed 180. It has some scratches, but the performance is not affected. The surface has been polished. The screws and shims are new. Below is the manufacturer's description: Designed as an evolution of the HA195 stabilizer, the Speed 180 offers experienced wing, surf, and downwind foil riders higher efficiency and top performance. The high-modulus carbon construction provides excellent stiffness for instant pumping and carving response. Tail wing area: 180cm2 Wingspan: 400 mm Aspect ratio: 9 Angle to fuselage: 1.5 degrees #wingfoil #stabilizer #foil #Armstrong #wingfoil