I built my air hammer for for just over 200 bucks and most of that was new air parts the frame came from the scrap yard for 20 bucks I have 400 for the 6.5 hp 60 gal tank compressor new so the whole thing was just over 800 Bob HotAnvil Forge http://www.geocities.com/hotanvil http://members.tripod.com/hotanvil_forge (NEW SITE)