| | All models use the optional 3M Roto Peen. “Bonded shot peening”Blade Assembly. Suitable for removing rust, oxides, scales, old paint and tough coatings from most surfaces.Mechanical crushing scale and coating, the amount of base metal removal can be ignored.Descaling up and down the web of beam before welding.The top and bottom devices use an optional 1 inch wide 3M Roto Peen. “Bonded shot peening”Blade Assembly. The top device can be easily disassembled for descaling and “Coloring” |