Grade A equipment is used as new equipment with no significants signs of use and in excellent condition.
All equipment that is considered Grade B,
has minimal marks from past use, but is still impeccable enough to be used again.
Used with box
New on Box (NOB) -
New Equipment, on box from overages or order errors.
Used without box
New Without Box (NWB) -
New Equipment, but without box (loss or damage).