- All models use optional DynaPeen. ‘bonded shot’ flap assemblies. Ideal for removing rust, oxide, scale, old paint and tough coatings from most surfaces.
- Mechanically fractures scale and coatings, with negligible removal of base metal.
- Over-under simultaneous removal of scale, from top and bottom of girder webplates prior to welding.
- Top and bottom unit each use optional 1″ wide DynaPeen. ‘bonded shot’ flap assemblies. Top unit easily detaches to permit portable ‘touch up’ descaling.

3M 27309, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 100 grit, 7100187644, 10 per pack
Dynabrade 95544 Gear Grease, 2.5oz. Tube 
