Made of ebony which is a hard black wood.
The whole burnishing tools are polished very smoothly.
Usage:
The round bars fit for burnishing leather edge.
The wood square fits for polishing the flesh surface of leather.
Size:
Round bar thick: Length: 140mm, width: 23mm
Round bar slim: Length: 150mm, width: 8mm
Square: Length: 60mm, thickness: 30mm