All of the items are wooden, the Metzler flute has no metal keys at all. The War office issue flute has no markings to show a manufacturer. There are some metal keys which are all sticky although complete. The piccolo by Hy Potter is marked 2 and again is very sticky to the keys but none are missing. The other flute by Hy Potter is marked 7 and again has no keys missing. They are sticky but working and there are several chunks of wood missing around the very top. There are no cracks to any of the items.