You can convert the Veritas Low Angle Block Plane and Standard Block plane into chamfer planes in seconds with this cunning guide.

Easy to install- you first set the chamfer width on the guide, then install the guide by unscrewing the front knob on the plane, replacing the toe piece with the chamfer guide and tightening the knob again. It is ready to go.

Adjustable for chamfers upto 1/2"- 13mm wide, the guide wings are fixed at 90 degrees to hold the plane at a consistent 45 degrees to the workface.