2NDS . This 10??? novaculite Hard Arkansas whetstone from Dan's Whetstone keeps a razor edge on your knives and tools. Hard stone is one grade coarser than Arkansas Translucent or Black novaculite Produces an excellent, polished edge with minimum of effort Large dimensions make sharpening much quicker and safer Stone: Dimensions (LxWxD): 10x2x7/8??? Material: Novaculite Box: Dimensions (LxWxD): 10-??x3x1-????? Material: Wood Weight: 2 lb. 2NDS . USA.