These are like the Prime-Line part number N6870   They are brand new without store packaging, loose.    With new lines being sold, we carry many types of wheels.  These are the most current type being used today.   They work on many different types of bottom roller door sets,  pretty much of all the new doors now on the market. . Make sure you take a look at the damaged wheels you have now to see if you have a match.  Most problems are the housing being bent.  These have a new housing and a new wheel.  Steel housing gold colored.   The price is right.  5 complete sets so you can repair 5 panela - two on each.   $9.99  for shipping, too < I HAVE THE OLDER STYLE ALUMINUM DOOR WHEELS ON OTHER AUCTIONS AS THEY BECOME AVAILABLE>  please note the picture is for reference of the wheel assembly only. We get them loose shipped.  a deal, these sell for 7.49 each, or more, plus tax plus shipping at hardware stores.