The PiWalk is a vacuum blasting system designed for medium sized, flat surfaces. It has an industry leading 4″ blasting pattern. This is about 4 times the width of a standard blast and vacuum system. The PiWalk has three wheels to assist balance. Thereby ensuring that the workhead keeps a good seal on the surface. Fully replaceable rubber linings and brushes ensure long service life of the workhead. Available for Purchase or Rental.