100% new! Item pakage includes: 6 items Magnetron caps(Note:please want this stuff to satisfy 6 items via a message,otherwise random delivery!) Item size (approx): Model A: High 18mm outer diameter 15mm within diameter 14mm Model B: High 18 outer diameter 16mm inside diameter 15mm Model C: High 16mm outer diameter 16mm inside diameter 15mm Model D: High 18mm outer diameter 16mm inner diameter 14