http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7336637145&category=308&ssPageName=WDVW&rd=1
Another UI set.
UI?
Unidentified?
Untitled Item? Universal Inquiry? Undulating Icon? Ultra Id? 
I’ve asked the seller to identify the maker. Soon, grasshopper, all your questions will be answered.
Jul-14-05
Q: Who made this practice set?
A: Hi, The set was made by ron smith who is also the seller ,this is one of many he has made.
UI, Unidentified. Or, it could be a UPS, Unindentifed Pipe Set, but United Parcel Service might be peeved. But it is no longer unidentified.
Ron Smith??
… no relation… never heard of him… honest…
Aren’t you tempted, a matched set, by last name anyway!
You could say they have your name all over them.