Plane Blades and Chisels Need a Flat and Polished Back
Do the heavy work with sandpaper glued to granite
A sharp-cutting plane blade or chisel depends upon the meeting between two flat, polished surfaces. That’s why you need to pay as much attention to the backs of your blades and chisels as you do to the bevels. A flat, smooth, polished back—as clear and reflective as a mirror—is the goal. Chris Gochnour shows you how to achieve it using sandpaper and a flat surface.