Lansky 4 Rod Deluxe Turn Box Sharpener - Restore a Razor Edge in Minutes This 2-state sharpening system features a hardwood turn box with internal rod storage in the base, and four 5 long alumina ceramic rods (2 medium, 2 fine). There are two pre-set knife sharpening angles in the wood block: 20 degree & 25 degree. Turn box sharpener fits in pocket, tackle box, backpack, or kitchen drawer. Type: Pocket Sharpener Material: Ceramic