
Handy for keeping a nail file that actually holds up over time, since the sapphire coating resists wearing down the way cheaper emery boards do after a few uses. Buy Now at Amazon
- Sapphire coated blade for precise, gentle nail shaping
- Dual-sided coarse and fine grit for complete finishing
- Rustproof matt satin-finished stainless steel construction
- Universal application for natural, acrylic, finger, and toenails
- Scratch-resistant, durable design for long-term comfort

Anyone maintaining a collection of Japanese kitchen knives needs a stone like this for repairing chips or reprofiling dull edges before moving to a finer grit. The #400 grit is coarse enough for real edge correction work, not just routine touch-ups, so it's best suited for knives that have seen heavy use. Buy Now at Amazon
- Compatible with all knife types and materials
- Rough #400 grit for restoring dull blade sharpness
- Durable artificial ceramic material
- Dishwasher-safe for easy cleaning
- Compact 210 x 70 x 25 mm size

Update: The price has changed to $286.16 since this was originally published.
Anyone tired of digging through a drawer for a decent blade will appreciate having this full set covered in one block, and the built-in sharpener keeps edges usable without a separate sharpening step or tool to buy. Buy Now at Amazon
- Permanently sharpened blades always ready for use
- Eliminates need to monitor blade sharpness
- Saves time with effortless re-sharpening
- Optimized slots ensure professional cutting edges
- No sharpening skills or prior training required