[Features]●Professional stick whetstone that pursues ease of use as well as quality and grindability. ●We have a wide lineup of stick whetstones with different abrasive grains, bonding agents, bonding degrees, and grain sizes. ● Composite abrasive grains of GC abrasive grains and WA abrasive grains allow semi-finishing to final polishing of most materials. ●Because it has moderate elasticity, there is little biting and a uniform finished surface without leaving scratches can be obtained.