This combination waterstone manufactured in the U.S.A. by Pride Abrasive, Inc. measures 8" x 3" x 1". The benchstone water stone has two grits... 400/3000, it is engineered with the highest grade material available, it is extremely fast cutting and long lasting. This sharpening stone uses water as a lubricant and flushing agent. Easier to clean than oilstones. Won't leave an oil residue. Ideal for sharpening woodworking tools, knives, cutlery, straight razors, and other blades. Durable hardwood storage box. You will quickly notice the difference in Pride Abrasive's Water Stones which are 100% made in Bristol, WI, USA.