50. Whetstone, North London Braverman Kitchens What Is A Whetstone And How Do You Use It? 50. Whetstone, North London Braverman Kitchens Amazon.com: Shapton Medium Whetstone #1000 Orange K0702 & Someie. Material: White Corundum Product name: red and white suit, green and white suit Product size: 215*95*23mm Product specifications: 3000 8000 3000 8000 green and white double sided white corundum whetstone Function: used for kitchen knife sharpening 5 piece set (whetstone + bamboo base + correction stone + silicone pad + knife holder locator)