Round Replacement Nicker
Fits the Rabbet Block Plane, Skew Block Planes, Low Angle Jack Rabbet Plane, and Bench Rabbet Plane.
The circular nicker, made of A2 Steel, protrudes by .010" and can be rotated to expose the edge as needed. Retract by rotating so the flat is at the bottom. Hone the flat on a fine waterstone to sharpen.