Blades for an UL helicopter

For sale: 2 semi-finished metal sheets (without hinges) suitable for a UL helicopter. NACA 0012 profile, length 3 m, profile depth 177.8 mm. Also, 2 metal tail rotor blades with NACA 0012 profile, length 460 mm, depth 90 mm. All items imported from the USA – unused. Manufacturer: Vortech Inc., USA. Material of main blades: 6061 T6. Price: 28,000 CZK.