This antique razor grit knife sharpening stone comes in a beautifully crafted chestnut wood box. The stone is made of high-quality materials and is perfect for sharpening all types of blades. . The authenticity of this product is guaranteed to be original, and it was manufactured in the United States. This item is a great addition to any collection of blade sharpeners . The stone is 8 1/2"long,and 1 1/4"thick.The chestnut box is a solid block of wood.( no top,never had one ) The grit is like a leather strop.The base of the box has 4 tiny nails inserted and made to hold fast on a wood bench top.This is a beautiful rare antique.