The materials used seem reliable and strong.
Kaijirushi Whetstone "Combi" AP-122
Product Details
Although it has not been used much, there is some discoloration on the middle polishing surface (brown side).
It has been stored for a long time, and the box is dirty.
If you do not need the box, we will send only the main unit and the rubber base.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




