This 4-in-1 Knife Sharpener Is My Favorite Prime Day Buy for Under $10

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A sharp knife is a safe knife. But are your knife sharpening tools, like whetstones and honing steels, giving you the razor-like finish you're looking for? If not, you might want to try a manual pull-through sharpener. They're a great tool for beginners, as they help you hold the right angle as you sharpen. Our favorite manual pull-through sharpener is on steep discount right now as part of Amazon Prime Day, so you can add it to your collection for only $10. The Longzon 4-in-1 Knife Sharpener works for a variety of sharpening needs and knife types, and after testing several pull-though knife sharpeners, this was easily the winner. Here's why you should snag it on sale today.

Why Longzon 4-In-1 Knife Sharpener Is the Best Manual Pull-Through Sharpener of 2026

The Longzon 4-in-1 Knife Sharpener is a manual, pull-through kitchen tool designed to repair, sharpen, and polish a variety of straight-edged blades and scissors. It is widely considered a high-value, beginner-friendly option for home cooks who need an easy, low-effort way to maintain their cutlery.

I especially appreciated the cut-resistant gloves that came with the sharpener and the large, sturdy handle that ensured I had a secure grip while sharpening my knives. This pull-through sharpener features four dedicated slots to handle different maintenance needs. The slot labelled ‘2' uses tungsten steel to repair damaged blades and restore the V-shape cutting edge of very dull knives. The slot labelled ‘3' is a standard sharpening slot with diamond coated steel. The slot labelled ‘4' is a ceramics slot for fine sharpening, finishing, and polishing. There is also a fourth slot designed to sharpen scissors or kitchen shears. Right now, it's 44 percent off.

Longzon 4-In-1 Knife Sharpener Specs

• Sharpening Stages: 4-stage knife sharpening system + scissors sharpener
  
  Tungsten carbide slot for repairing damaged or very dull blades Coarse diamond slot for sharpening Fine ceramic slot for honing and polishing Precision ceramic slot for finishing and edge refinement

• Scissors Sharpener: Dedicated sharpening slot for household scissors
• Compatible Blades:
  
  Chef knives Santoku knives Utility knives Paring knives Pocket knives Hunting knives Most straight-edge stainless steel knives Household scissors

• Not Recommended For:
  
  Serrated knives Ceramic knives Single-bevel knives

• Handle: Ergonomic, non-slip grip

• Base: Non-slip rubber base for stability
• Safety Features:
  
  Includes cut-resistant safety glove Stable anti-slip design

• Construction Materials:
  
  ABS plastic body Tungsten carbide sharpening blades Diamond abrasive slot Ceramic honing rods

• Operation: Manual pull-through sharpening
• Color: Black with red accents
• Use: Home kitchen and general household knife maintenance
• Maintenance: Wipe clean with a dry or slightly damp cloth; do not immerse in water
• Included Accessories:
  
  Longzon 4-in-1 Knife Sharpener Cut-resistant glove User manual

Why You Should Trust Me

I have spent years testing and reviewing as a writer for outlets like Men's Journal. During this time I have covered a wide variety of products, tools, and gear, allowing me to build up significant experience evaluating quality, usability, and performance across a wide range of product specifications. In the kitchen and in the workshop I am constantly considering how best to maintain my bladed tools for reliable results.

This story was originally published by Men's Journal on Jun 27, 2026, where it first appeared in the Home Living section. Add Men's Journal as a Preferred Source by clicking here.

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This story was originally published June 26, 2026 at 8:58 PM.