---
product_id: 649389437
title: "Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone, Tungsten Carbide Plates, Diamond rods. Ergonomic Design"
brand: "portentum"
price: "€ 25.85"
currency: EUR
in_stock: true
reviews_count: 8
category: "Portentum"
url: https://www.desertcart.hr/products/649389437-knife-sharpener-professional-3-stage-manual-sharpener-for-sharpening-kitchen
store_origin: HR
region: Croatia
---

# 3-stage precision sharpening ergonomic ambidextrous handle non-slip rubber base stability Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone, Tungsten Carbide Plates, Diamond rods. Ergonomic Design

**Brand:** portentum
**Price:** € 25.85
**Availability:** ✅ In Stock

## Summary

> 🔪 Sharpen Like a Pro, Slice Like a Boss!

## Quick Answers

- **What is this?** Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone, Tungsten Carbide Plates, Diamond rods. Ergonomic Design by portentum
- **How much does it cost?** € 25.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/649389437-knife-sharpener-professional-3-stage-manual-sharpener-for-sharpening-kitchen)

## Best For

- portentum enthusiasts

## Why This Product

- Trusted portentum brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Stability:** Heavy-duty non-slip rubber base keeps your sharpener steady—no suction cups, no hassle.
- • **Ergonomic Ambidextrous Design:** Comfortable grip for both right and left-handed users ensures safe, confident sharpening.
- • **Triple-Stage Sharpening Power:** Prep, sharpen, and hone your blades to professional-grade sharpness every time.
- • **Versatile Knife Compatibility:** Perfect for straight-edged and wide serrated knives, including premium carbon steel blades.
- • **Beginner-Friendly with Expert Support:** Easy-to-use with detailed instructions, demo video, and dedicated Europe-based customer care.

## Overview

The PORTENTUM Knife Sharpener is a professional-grade, three-stage manual sharpener featuring ceramic stones, tungsten carbide plates, and diamond rods. Its ergonomic, ambidextrous handle and heavy-duty non-slip rubber base provide unmatched stability and comfort. Designed for straight-edged and serrated kitchen knives, it revives dull blades with ease. Backed by detailed instructions, a quick-start video, and dedicated Europe-based support, it’s the ultimate tool for chefs and home cooks seeking precision and reliability.

## Description

The PORTENTUM Knife Sharpener is an exemplary choice for maintaining the razor-sharpness of your kitchen knives with ease and precision. Designed as a three-stage manual sharpener, it effectively begins with a preparation phase to ready the blade, continues with a sharpening phase to reinstate the edge, and concludes with a honing phase to fine-tune and polish the blade. This method ensures that even the dullest knives are restored to their optimal sharpness, enhancing your culinary experience with every use. Its simple yet powerful approach makes it an indispensable tool for both amateur cooks and culinary professionals alike. Ergonomically crafted, the PORTENTUM Knife Sharpener accommodates both right and left-handed users with a comfortable handle that ensures maximum grip during use. Its robust non-slip rubber base provides exceptional stability and safety on any flat kitchen surface, circumventing the need for a specially prepared area, unlike other sharpeners that rely on suction cups for stability. Furthermore, it is incredibly easy to operate, coming equipped with comprehensive instructions and a quick-start demonstration video, making it accessible for all users. Backed by dedicated customer support available seven days a week, PORTENTUM stands committed to ensuring satisfaction and providing assistance whenever needed, particularly for those new to knife sharpening.

Review: Very effective 😍 - Very effective sharpening tool. It is well made, ergonomic and easy to use. Used it on my main kitchen knife which was really dull and useless. With just a 30 second run through this little sharper. It sliced through a ripe Tomato with ease. Its rubber like body is really tactile, and enables a firm grip on surfaces. This is very important for safety when sharpening knifes . I have had cheaper versions of the type of tool . I’m hopeful this will last longer, time will tell🤔. Overall very pleased with the purchase. Happy Xmas to all.
Review: Great quality - My husband loves this works brilliantly knives have never been sharper, easy to use and good price and quality

## Features

- Three-Stage Manual Knife Sharpener: Achieve brilliant results every time with the PORTENTUM Knife Sharpener. Start by preparing your blade, continue to sharpen, and conclude with honing. This efficient system ensures that your kitchen knives are consistently sharp and can even revive dull blades to their former edge.
- Ergonomic and Portable Design: Featuring a comfortable handle, the PORTENTUM Knife Sharpener is designed for secure use by both right and left-handed individuals. Its heavy-duty non-slip rubber base ensures stability and safety on any flat kitchen surface, without the need for a specifically clean area, unlike sharpeners that require suction cups.
- Appropriate for Various Knives: This sharpener is perfect for straight-edged steel kitchen knives and wide serrated knives, like bread knives, including those with premium hardened carbon steel blades. It is not suitable for ceramic knives, scissors, or micro serrated knives.
- User-Friendly: The PORTENTUM Knife Sharpener is straightforward and simple to use. It comes complete with detailed instructions and a quick-start demonstration video to facilitate ease of use for everyone, especially beginners.
- Dedicated Europe-Based Support: We understand that first-time knife sharpening might seem challenging, which is why our knowledgeable staff is readily available to assist with any queries about our products.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DB6BBNWX |
| Best Sellers Rank | 14,111 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 14 in Manual Knife Sharpeners |
| Brand | PORTENTUM |
| Brand Name | PORTENTUM |
| Colour | Black |
| Country Of Origin | Spain |
| Customer Reviews | 4.5 out of 5 stars 1,294 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Grit Type | Super Fine |
| Grit type | Super Fine |
| Item Dimensions L x W x H | 20L x 4.5W x 7.5H centimetres |
| Item Type Name | Knife Sharpener - Smart Sharp by Lantana. No1 Choice for Sharpening Kitchen Knives. Next Generation 3 stage Kitchen Knife Sharpener for professional results - ceramic stone, tungsten carbide plates, diamond rod. Ergonomic Design with a Stylish Black/Chrome Finish. Used by Chefs World Wide - Sharpen Your Blunt Blades Now! |
| Item Weight | 185 Grams |
| Item weight | 185 Grams |
| Manufacturer | PORTENTUM |
| Material | Ceramic , Tungsten Carbide |
| Material Type | Ceramic, Tungsten Carbide |
| Product dimensions | 20L x 4.5W x 7.5H centimetres |

## Product Details

- **Material:** Ceramic, Tungsten Carbide
- **Brand:** PORTENTUM
- **Colour:** Black
- **Product dimensions:** 20L x 4.5W x 7.5H centimetres
- **Item weight:** 185 Grams
- **Grit type:** Super Fine
- **EU Spare Part Availability Duration:** 5 Years
- **Number of items:** 1
- **Manufacturer:** PORTENTUM

## Images

![Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone, Tungsten Carbide Plates, Diamond rods. Ergonomic Design - Image 1](https://m.media-amazon.com/images/I/71Fyd9FIwwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very effective 😍
*by D***N on 18 December 2025*

Very effective sharpening tool. It is well made, ergonomic and easy to use. Used it on my main kitchen knife which was really dull and useless. With just a 30 second run through this little sharper. It sliced through a ripe Tomato with ease. Its rubber like body is really tactile, and enables a firm grip on surfaces. This is very important for safety when sharpening knifes . I have had cheaper versions of the type of tool . I’m hopeful this will last longer, time will tell🤔. Overall very pleased with the purchase. Happy Xmas to all.

### ⭐⭐⭐⭐⭐ Great quality
*by K***A on 6 October 2025*

My husband loves this works brilliantly knives have never been sharper, easy to use and good price and quality

### ⭐⭐⭐⭐ Very good
*by D***E on 19 April 2025*

Good sharpener and easy to use

## Frequently Bought Together

- PORTENTUM Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone, Tungsten Carbide Plates, Diamond rods. Ergonomic Design
- HOBO Kitchen Knife Sets, 5 Piece Stainless Steel Kitchen Knives with Ultra Sharp Blade and Frosted Handle, Includes Chef Knife, Bread Knife, Santoku Knife, Utility and Paring Knife, All in a Gift Box

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---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-13*