panblast coneblast 1 4 internal pipe blasting toolThe PanBlast ConeBlast 1 4" Internal Pipe Blaster provides efficient blasting of internal pipe surfaces, for pipe sizes ranging from 19 mm (3 4") ID to 50 mm (2") ID. Core Features Short venturi nozzle 360 blast pattern Tungsten carbide deflection tip, stem sleeves and stem support Centering collars included Common Applications Internal pipe cleaning prior to coating applications Pipe descaling and corrosion removal