A friend recently gave me a pair of ECZ-G heads that he said were cracked,but are repairable.The cracks are not visible to the naked eye.I will probably never have any use for them,so if someone wants them,you may come to my house and pick them up.I won't ship them.I'm located in central Missouri,near Columbia.If interested,e-mail ph101842@yahoo.com,for phone number or directions.As of today,12/29/2006,I am either retired or unemployed,so I can be reached about any time.