These user friendly sanding blocks are made from extruded, anodized aluminum. 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 (60US grit approx.) or Fine (120US grit approx.) Small block is 5.5" long and large block is 11" long.
Shape and sand curves, grooves, etc. quickly and easily
Great for fillets, leading edges, under cambers, etc.
Extremely tough, 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 etc. with paint remover