This 12" planishing machine is one of the handiest metal shaping tools on the market..... Designed by PERFORMANCE METAL SHAPING and built in the USA ,this machine will take the work out of metal panel fabrication........ This machine works like a hammer and dolly that hits at 4500 blows per minute.........This unit is also portable and can be brought to the car or other metal shaping project [with some modification]....... This is the handiest machine in our shop.......Our planishing machine comes with 9 lower dies, an adjustable air valve, and a very handy on/off pedal switch..........BEWARE OF THE CHEAP IMITATIONS WHICH USE AN AIR CHISEL FOR POWER AND ONLY PROVIDE 3 DIES !!!! .......This is a real planishing machine used by the aircraft industry, many professional race teams, and other metal shaping professionals..............We also offer a 24" throat machine for $999