1. Premium quality This retractable knife sharpening, diamond -coated steel rod, broken and durable. Beautiful fine sand makes it easier to work. It protects the aluminum enclosure sharpening bar and prevents your finger from being damaged 2. 1 pen -shaped knife sharpening bar can be retracted and separated and separated and easy to separate, you can put in your pocket, bag or fight box. The retractable length is between 14 cm to 23cm / 5.5-9.1 inches, adjust a suitable dimension to fit your pocket only 3. The creative design time and flat surface of sharpening steel is ideal for kitchen, repair blades, serrated blades and scissors; The Fishhook sharpening bar has a special groove for fishing hooks, the conical part of the grinding bar for terrations and intestinal hooks 4. Timethis removable knife sharpening bar, the wonderful diamond sharpening bar to keep your knife sharp. Save time and energy by sharpening quickly. GEAT for half round and flat surface of the sharpening steel for standard knife edges