Upgrade kit

I have one of the first sharpeners that has the old arms etc, and I was wondering what are the pieces that I need to up date my sharpener.

This is the upgrade kit
http://www.wickededgeusa.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=62&virtuemart_category_id=8&Itemid=98