Made in Japan, Shapton is among the world leaders in sharpening stones. Their stones are famous for being the hardest among all others thus providing a fast cutting surface, an extended life time and flat surface.
Suehiro is a Japanese company producing whetstones since 1967. With more than 50 years experience in the field, they are now among the top 3 sharpening stones manufacturers in the world, with their Cerax line to be their top range products.
Idahone, Inc. is an US company based in Colorado and founded in 1973. With 50 years experience in ceramic rods they make the high quality sharpeners, utilizing high alumina ceramic as the abrasive medium. High-alumina ceramic has a near-diamond hardness, making it the ideal choice for quick honing within few strokes!