Here are some tips for sale on ebay. This is what I use, seems like a good price.
http://cgi.ebay.com/ws/eBayISAPI.dl...MESE:IT&viewitem=&item=200087834396&rd=1&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dl...MESE:IT&viewitem=&item=200087834396&rd=1&rd=1
