not a silly question they are not eibach spacers or unbranded spacers from any other big name company. Eibach for starters is a huge multi million pound company, probably with multiple factories, with the ability to make hundreds and thousands of items, and have the ability to hold large numbers of stock.
i on the otherhand am a one man business who started out as a contract designer for a couple of oil companies, and the M.O.D. i now valet and detail cars and sell parts on various forums/locally. these spacers have come from myself and a machine shop coming together and now making small batches for me as they are a very popular item on here. the plan from the beginning was to offer a cheaper alternative to the eibachs that are popular also.
they are excellent quality, and i have local customers who regularly track and drift using the same spacers they bought 2 or 3 years ago without any problems. they simply dont have a brand stamp on them. and yes, everything required to fit them is included also