Pro-Werks one-piece front wings are CNC machined from billet aluminum ribs using wind tunnel-proven NACA wing profiles. Internal aluminum reinforcement tubes provide additional rigidity, and the aircraft-grade aluminum skin is 0.032" thick. Available in 36" and 40" wide, with A, B, or C tip styles. Construction Ribs: CNC machined billet aluminum, NACA wing profile Chord length: 10" Skin: Aircraft-grade aluminum, 0.032" thick Internal reinforcement: Aluminum tubes for added strength Tip plates: Removable and interchangeable Mount Tab Specifications Tab thickness: 1/4" Front hole diameter: 3/8" Rear hole diameter: 5/16" Hole spacing: 3-1/2" Configuration Options Widths: 36" or 40" Tip styles: A, B, or C profile (equal aerodynamic performance) Notes Ribs are not available separately Custom built wings available as special order