I apologise to the new member if his question was a serious one, but fook me, surley people cant be that short of enough brain power to apply a tiny bit of simple logic to try and work out what something as " non technical " as a bottle jack is !.
When the person you bought it off gave you the keys and said " enjoy ", did you say to him whilst looking at the contents of your hand, " thanks, but I really wanted the car ".
Dont take the replies to you question to heart, apparently, " theres no such thing as stupid question !.