Use this powder to true up and polish the back of chisel blades and plane blades. Put a small amount of powder mixed with a drop of water onto an even steel plate. Now grind the iron until you get an even surface and consistent microsection.
Milled steel plate for lapping the backs of chisels and plane blades. Needs to be screwed to a wooden base. The blade is worked with the help of a piece of wood applied with pressure. Used with silicon carbide powder No. 713603 and water.