Ken Schwartz Estate Collection
Ken Schwartz Estate Collection waterstones represent an authentic library of professional sharpening tools from the personal inventory of late master sharpener Ken Schwartz. Curated specifically for knife makers, woodworkers, and razor enthusiasts, this collection features rare synthetic Nubatama series—including Bamboo, Ume, and Platinum lines—alongside hand-selected Japanese Natural Stones (JNATs). Offered directly from Ken’s estate, every stone honors his legacy, passion, and immense contributions to the sharpening community.