Is there anything bad about these compared to the actual stainless steel inserts? I'm looking to maybe save a few dollars and get the vinyl stainless steel inserts for $24 or so unless there is anything bad about them. If there is I'll go for the 60-some dollar real ones.
http://www.americanmuscle.com/sstvibuin0co.html
vs.
http://www.americanmuscle.com/mucoststbuin2.html
http://www.americanmuscle.com/sstvibuin0co.html
vs.
http://www.americanmuscle.com/mucoststbuin2.html