The term Graded or Factory Second. This refers to a product that may been returned to a manufacturer for a number of   reasons:

1. Unwanted Gift
2. Un-delivered Mail Order
3. Cosmetically Marked
4. Missing Parts
5. Minor Faults
6. Damaged Boxes

All products are then electrically checked, tested, repaired and completed. These products are sold as guaranteed perfectly working items that may have slight cosmetic marks.