The Turn Box family is a very stable and compact knife sharpening system. It works well in the kitchen and it quickly breaks down for storage in a drawer. The turn box family of knife sharpeners is also great for outdoorsmen on the go because it is lightweight and stores easily into a backpack. It only takes a few swipes to maintain an edge. There are two pre-set knife sharpening angles in the wood block 20 degree and 25 degree. This two stage knife sharpening system features a hardwood turnbox with internal rod storage in the base, two 5 Inch long medium diamond rods (600 grit), and two 5 Inch long fine ceramic rods (1000 grit).