Wilson Combat Spring follower kits, full size or compact magazine, .45 ACP

I have 8 Wilson Combat Spring follower kits, full size or compact magazine, .45 ACP, Military style magazine. 
I will sell one for $10 or all for $75. Shipping is the responsibility of the buyer. 
Here is the description from the Wilson Combat website:
Revitalize your mil-spec .45 ACP 1911 magazines with our simple and quick to install spring and follower kit. Bring these magazines back from lifelessness - upgrade today.