Check this link out,our company is planning to purchase these we have done some diggingand found that for the money these are well worth the price.As soon as we receive them I'll let you know for sure but from what I hear you can't go wrong.

http://cgi.ebay.com/Professional-Video-Tripod-Head-System-New_W0QQitemZ120041773231QQihZ002QQcategoryZ3319QQ rdZ1QQcmdZViewItem