Perma-Grit – Contour Block Coarse
70 × 52mm
The Perma-Grit Contour Block (Coarse) is a high-quality shaping and sanding tool designed for fast, controlled material removal. With its curved profile and durable tungsten carbide abrasive surface, it is ideal for shaping balsa, hardwood, plywood, fiberglass, plastics, and resin—making it a favorite among model builders and RC enthusiasts.
Key Features
Coarse Grit – Perfect for rapid shaping and initial material removal.
Tungsten Carbide Surface – Extremely durable and long-lasting compared to traditional sandpaper.
Contour Shape – Ideal for curved surfaces, leading edges, and fillets.
Compact Size – 70 × 52mm for excellent control and precision.
Clog-Free Performance – Does not load up like conventional abrasives.
Easy to Clean – Simply brush clean or rinse with water.
Ideal For
RC airplane and helicopter building
Scale modeling and detailing
Shaping wings, fuselages, and fairings
Working with wood, composites, and plastics
Precision Shaping Made Easy
The Perma-Grit Contour Block Coarse delivers fast, clean, and consistent results—an essential workshop tool for serious builders.
