What? Me BUILD a capacitor? Air-variable capacitors cost £££ these days because of all the hand labour of putting them together. If you'd like to spend part of an evening reliving those grand old Erector Set days, save money by assembling your own high-power variables from our top-quality factory-ware. Build the same tuning capacitors used in world-class TEN-TEC 1.5KW RF amplifiers and tuners. Great for all hi-power homebrew projects, including experimental loop antennas.