We need aviation headset's connectors 5. 20 mm and 6. 3 mm like those in the photos, preferably gold plated. We will require a sample, after evaluated it we will place a first test order of 100 / 150 pcs (100 / 150 5. 20 mm + 100 / 150 6. 3 mm) . After this, the buy set it will be decided togheter with the supplier.