Perfect for fine sharpening, the Bob Kramer by Zwilling J.a Henckels Glass Stone is a 10,000 grit Japanese sharpening stone that efficiently sharpens with minimal work.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.