Bryant vertical center grinder model ? s/n C13722 w/ orbital head machine specially designed to grind centers on long shafts in the vertical position . Machine specs max diameter 6" max length of work 40" machine is equipped with the following orbital grinding head grinder tool full electrics safety guarding saftey switches contact us today to visit with us to see machine under power in our statesville NC warehouse. we are not familar with the machine specs , so we recommend inspection to verify each and every detail before purchasing . visit www.pisellient.com