Suehiro Gokumyo Finishing Sharpening Grit GMN150 (Super Stone, #15000)

GMN150 Particle size: #15000 Weight: 1200g Size: 205 x 73 x 19 mm The Suehiro Gokumyo series is a ceramic whetstone made by firing ultrafine abrasive particles and binders at high temperatures using a unique manufacturing method. While utilizing the properties of ultrafine abrasive particles, it has succeeded in overcoming the shortcomings of conventional natural whetstones, resin whetstones, and synthetic cement whetstones, such as deterioration such as deterioration due to temperature changes, decrease in whetstone hardness when immersed in water or hot water, blunting, and cracking. The abrasive particles are ground from #13,000 (1.0 micron) to #20,000 (0.5 micron), resulting in a smooth and exquisite sharpening feel that far surpasses conventional synthetic finishing whetstones. Enjoy the superb sharpening feel and finish.