Its what I believe is a 1970s Atlas (made by Sun) diagnostic machine. It was pulled from service in a shop working about 15yrs ago. My dad and I used it on our hot rods for several years and then it has just sat unused until now that we decided to down size the shop. It has all the arms and attachments and everything was working fine. I plugged it in and it seems to still be going strong but didn't check everything out completely. I am negotiable and might look to trade for Model T, A, early ford parts, banjo rear, windshield stantions or flathead speed parts.