Instructions on how to use each whetstone are included with illustrations on the lid of the set's container.
Original products manufactured by Woodlike Matsumura.
Rough whetstone (for removing large chips in the blade. Use first.): Ceramic green whetstone #120. 77mm x 50mm x 12mm
Medium whetstone (used after using the coarse whetstone): 3F carbon medium whetstone #700. 103mm x 78mm x 16mm
Fine/Finishing whetstone (a whetstone used to improve sharpness through finishing): Custom-made artificial finishing whetstone #8000. 70mm x 65mm x 14mm.
Slip/Back edge whetstone (for carving knives with a back edge): Same as the finishing whetstone. 70mm x 48mm x 8mm. Beveled edges.
Surfacing/Leveling stone (a stone for smoothing out any unevenness on the stone after use): Ceramic rough stone #120. 63 mm x 30 mm x 11 mm.
*The case may differ from the one in the photo.
