The Norton MF-76 Medium India Stone is a premium aluminum oxide sharpening stone measuring 6" x 1" x 1" designed for effective knife and tool maintenance.Norton MF-76 Medium India Sharpening StoneDimensions: 6 inches x 1 inch x 1 inchMedium grit aluminum oxide constructionIdeal for general purpose sharpening and honingDurable India stone materialPerfect for maintaining kitchen knives woodworking tools and other cutting implements this medium grit stone provides an excellent balance between material removal and edge refinement.