Norton Waterstone Starter Kit: 220/1000 grit stone, 4000/8000 grit stone, SiC flattening stone 220/1000-grit combination waterstone for repairing, then establishing, steel cutting edges 4000/8000-grit combination waterstone for maintaining, refining, and polishing steel cutting edges 1/2 x 8 x 3 inch (H x W x D) size makes each waterstone suitable for use as a bench stone for knives and tools Blue plastic hinged boxes with no-slip rubber feet can be used as holders for the waterstones during sharpening 3/4 x 9 x 3 inch coarse-grit silicon carbide flattening stone for maintenance of waterstones, and an instructional DVD to demonstrate basic waterstone sharpening