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 in a backpack. It only takes a few swipes to maintain an edge (a bit more if you have a really dull knife). There are two pre-set knife sharpening angles in the wood block 20 degree & 25 degree 25 Degrees - This is used for most kitchen knives and provides a sharp, durable edge. 20 Degrees - This is used for those desiring a very sharp edge. Some examples would be for filet knives or cutting tomatoes. Lower degrees result in sharper knives, but require more regular maintenance. This 2-Stage Knife Sharpening System features a hardwood turnbox with internal rod storage in the base, and four 5" long alumina ceramic rods. (2 medium 600 grit grey rods, 2 fine 1000 grit white rods)

Amazon.com

Lansky 4-rod Ceramic Turn Box Sharpener

The Lansky 4-rod Ceramic Turn Box Sharpener is a very stable and compact knife sharpening system, perfect for use in the kitchen. The two-stage system includes four 5-inch alumina ceramic rods--two of medium grit and two of fine grit--to suit different types of blades. The system features a hardwood turn box wood block base that also stores the rods when they are not in use. The wood block offers two preset knife angles of 20 and 25 degrees that lend themselves well to maintaining kitchen knives and the ultra-sharp edges required of filet knives. With regular use, the turn box system is simple to use--it only takes a few swipes to maintain an edge and keep your knives in good working order. This compact system is easy to store in a drawer and is light enough to use outdoors.

Hardwood turnbox with internal rod storage in the base

Four 5-inch long alumina ceramic rods (2 medium grit and 2 fine grit)

25 degree sharpening angle suitable for kitchen knives--provides a sharp, durable edge.

20 degree sharpening for a very sharp edge--suitable for filet knives or cutting tomatoes.

One year warranty

• Intuitive to Use: Many find the conventional knife sharpening stone difficult to use, but with this blade sharpener, you can easily maintain a consistent angle simply by moving your knife straight down along each knife sharpening rod.
• Portable: Many knife sharpeners can be difficult to transport, but this Lansky knife sharpener kit fits neatly within its compact wooden case. A professional knife sharpener is great, but it isn't always convenient. This knife sharpener tool allows you to restore a razor-sharp cutting edge on the go! When you're done, store it in your toolkit, kitchen, car, or backpack.
• Dual Grit: This pocket knife sharpening kit provides two gray course grit ceramic sharpening rods for establishing a bevel on a dull blade and two white fine grit ceramic honing rods to hone your edge. This allows for a 2-stage sharpening process in one system.
• Multiple Options: This pocket knife sharpening tool boasts two set angles: 20 degrees and 25 degrees. Use the more acute angle for kitchen knives and fillet knives and the more obtuse angle for pocket knives and utility knives.
• All-in-One Package: This ceramic knife sharpener kit features everything you need to turn your dull knife into a razor-sharp one.