If you are talking about the socket clips they are for attaching the copper cooler to the top of your chip and depending on what type of chip you have is whether or not you will need them. I thought they were part of the package myself. As it shows here: http://www.thermaltake.com/watercool...r/cl-w0005.htm
Let me put it another way.... I don't use it as I have no need for watercooling and if you think that you do with your chip then I would suggest that you just spend the money and buy the package as it is there together from what I have seen. Now if you have some where to purchase this in pieces other than the whole package....luck to you!