10 Best Knife Sharpener
From leading brands and best sellers available on the web.45,000 reviews analyzed
More great picks just for you
Our Top Picks
Winner
SHARPAL 162N Double-Sided Diamond Sharpening Stone Whetstone Knife Sharpener |Coarse 325 / Extra Fine 1200 Grit | Storage Case with Nonslip Base & Angle Guide (8 in. x 3 in.)
The SHARPAL 162N is a double-sided diamond sharpening stone designed for fast and efficient knife sharpening. It uses industrial monocrystalline diamonds, which are known for being very durable and much quicker at sharpening than traditional oil or water stones. With two grit levels—coarse 325 grit for setting the edge and extra fine 1200 grit for honing—it allows you to both sharpen and refine your knives, making it versatile for various blade conditions.
One great advantage is that it works dry, so you don’t need to worry about messy oils or water, which makes it quite easy to maintain. The sharpening surface is very flat and durable, thanks to SHARPAL’s MirrorFlat technology, providing consistent contact with your knife edge and preventing uneven wear—a common issue with other stones. It also comes with a handy storage case that doubles as a stable base with a non-slip rubber pad, plus an integrated angle guide offering four common sharpening angles (14°, 17°, 20°, 25°). This helps beginners keep the right angle for their knives, improving results and reducing the chance of damage.
The sharpener’s compatibility is broad, capable of sharpening a wide range of materials including high-speed steel, carbide, ceramic, and even tougher surfaces like cubic boron nitride, which is rare for many sharpeners. The stone is relatively heavy (1.4 kg), which might feel bulky for some users or less portable for travel. Additionally, while it offers angle guides, it does not have multiple sharpening stages beyond the two grits, which might limit fine-tuning for professional users who need very specific edge geometry. This makes the SHARPAL 162N a strong choice for home cooks and knife enthusiasts seeking a fast, reliable, and easy-to-use diamond sharpener that covers most types of knives and requires minimal maintenance.
Sharp Pebble Premium Whetstone Knife Sharpening Stone 2 Side Grit 1000/6000 Waterstone- Whetstone Knife Sharpener- NonSlip Bamboo Base & Angle Guide
Sharp PebbleThe Sharp Pebble Premium Whetstone is a water-based knife sharpener featuring two stages with 1000 and 6000 grit sides, which makes it effective for both sharpening dull blades and polishing knives to a fine edge. Made from high-quality aluminum oxide (corundum), it offers durable and reliable sharpening performance. The whetstone comes with a non-slip bamboo base and a rubber holder, providing a stable and safe sharpening surface. An angle guide is included to help maintain the correct sharpening angle, which is especially useful for beginners wanting consistent results. This sharpener is compatible with a wide range of knives—from kitchen staples like chef, steak, and paring knives to specialty blades like sushi knives, cleavers, and even scissors and straight razors.
The water-based sharpening method is easy to use and clean, avoiding the mess and cost of oils, making it practical for home or professional use. It requires soaking before use and some practice to master the technique, which might take time for complete novices. Also, the whetstone’s relatively small size means it might be less convenient for very large knives or frequent heavy-duty sharpening. Its premium material, thoughtful accessories, and versatility make it a solid choice for anyone looking for a quality, long-lasting knife sharpener that suits many blade types and skill levels.
SHARPAL 191H Pocket Kitchen Chef Knife and Scissors Sharpener for Straight and Serrated Knives, 3-Stage Knife Sharpening Tool Helps Repair and Restore Blades
SHARPALThe SHARPAL 191H is a compact, easy-to-use 3-stage knife sharpener designed for both straight and serrated blades, as well as scissors. It uses tungsten carbide blades for quick edge restoration, ceramic blades for fine honing, and a special blade for scissors, covering most sharpening tasks in a kitchen setting. One of its standout features is the strong suction base, which secures the sharpener firmly to your surface, allowing safe one-handed operation without needing to hold it down, reducing the risk of accidents.
Its small size makes it easy to store and handle, which is great for kitchens with limited space. The device is compatible with a wide range of knives, though it lacks adjustable angle guides, which means it relies on preset angles suitable for most household knives but might not be ideal for specialized blades requiring custom angles. Maintenance is straightforward due to the simple design and durable materials. However, the plastic body might feel less sturdy compared to metal sharpeners.
If you want a safe, reliable, and portable sharpener mainly for everyday kitchen knives and scissors, SHARPAL 191H is a strong choice. It is especially beneficial for users who prefer a no-fuss, compact tool that doesn’t require manual pressure during sharpening. For those needing precise angle control for professional or high-end knives, other options may be more suitable.

















