Permagrit Sanding Blocks are made from extruded, anodised aluminum and are user friendly. The 32mm (1.25") radius curve is covered on the external and internal radius with Tungsten Carbide abrasive sheets. The contour blocks come in either the coarse (180UK/60US grit approx.) or fine (320UK/120US grit approx.)

Benefits of using a Perma-Grit® Sanding Blocks

• Shape and sand curves, grooves etc. quickly and easily
• Great for fillets, leading edges, under cambers, etc.
• Extremely tough and will not wear out like normal sandpaper
• Will last for years without having to change the sheets
• Does not clog easily (brush or knock out)
• Easy to remove glues, resins, paint, epoxy, and much more with paint remover