Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
Hapstone R2 Black Knife Sharpener
  • SKU: HAPSTONE-R2-BLACK-BAREBONE
  • Availability: in stock Many in stock Out of stock You can purchase this product but it's out of stock

Hapstone R2 Black Knife Sharpener

€399,00

    Hapstone Modular Platform

    Complete sharpening system. Ready now.

    Hapstone R2 Black is a fully equipped guided knife sharpener with universal angled clamps, whole milled angled clamps, and a Fine-Tuning Adapter already included for maximum versatility across different knife types.

    Hapstone R2 Black knife sharpener

    Complete setup

    Everything included from the start.

    Hapstone R2 Black is a complete system here and now — no need to build the configuration later. It already includes the core upgrades many users add separately.

    Versatility

    Broader knife coverage.

    With both universal angled clamps and whole milled angled clamps included, the R2 Black is a strong choice for covering the widest possible range of knife shapes and sharpening tasks.

    Fine angle control built in.

    The included Fine-Tuning Adapter allows quick and precise micro-adjustments of the sharpening angle. It makes angle control smoother and more accurate during sharpening.

    Hapstone Fine-Tuning Adapter for R2 Black
    Universal Angled Clamps for Hapstone R2 Black

    Universal clamps

    Flexible blade positioning.

    Universal Angled Clamps can be adjusted inward or outward to handle a wide range of blade lengths and geometries.

    Whole Milled Angled Clamps for Hapstone R2 Black

    Whole milled clamps

    Rigid and confidence-inspiring.

    Whole Milled Angled Clamps provide a solid one-piece construction for dependable blade holding and excellent control.

    Why R2 Black

    One system. Wider sharpening coverage.

    Hapstone R2 Black is built for users who want a stronger setup from day one. With two clamp styles and fine angle adjustment already included, it covers more sharpening scenarios without requiring immediate add-ons.

    More versatility

    Universal angled clamps and whole milled angled clamps are included in one package.

    Better control

    The Fine-Tuning Adapter helps make small angle changes quickly and precisely.

    Ready now

    This is a complete sharpening system here and now, not a base configuration that requires immediate upgrades.

    Broader knife range

    A strong option for maximizing compatibility with different blade shapes, sizes, and sharpening tasks.

    Two clamp styles in one package.

    The R2 Black combines versatile universal clamps with rigid whole milled angled clamps in one kit. This gives you more freedom to choose the best clamping style for different knives without needing immediate add-ons.

    Hapstone R2 Black clamp options

    Clamp comparison

    Universal vs Whole Milled

    Universal Angled Clamps More flexible in positioning, easy to adapt for different blade lengths and shapes, excellent for general-purpose sharpening.
    Whole Milled Angled Clamps More rigid one-piece construction, confidence-inspiring blade holding, excellent when maximum structural stiffness is preferred.
    Why both matter Having both clamp types in one system gives you broader practical coverage and more freedom to choose the right clamp style for each knife.
    Hapstone R2 Black stone holder

    Stone holder

    Compatible with popular formats.

    Supports 6" sharpening stones in Edge Pro and KME formats, giving you wide abrasive compatibility.

    Hapstone R2 Black base

    Base

    Stable and workshop-ready.

    The platform base with rubber-coated feet helps keep the sharpener steady on the work surface during use.

    What’s included

    Complete kit. Upgrade-ready platform.

    Hapstone R2 Black includes the essential R2 platform plus upgraded clamp options and fine angle adjustment, making it a strong all-in-one configuration for users who want maximum flexibility from the beginning.

    Base & Rods

    1 Platform base
    1 Vertical guide rod
    1 Horizontal guide rod
    1 Lightweight alloy guide rod with wooden handle

    Pivot & Rotation

    1 Linear ball-bearing pivot unit
    1 Rotating clamp module
    Adjustable flipping strength

    Clamps

    1 pair of Universal Angled Clamps for Hapstone R2
    1 pair of Whole Milled Angled (Fillet) Clamps for Hapstone R2

    Fine Adjustment

    1 Fine-Tuning Adapter for precise angle control

    Accessories

    2 Spring-Assisted Stopper ⌀6 mm
    1 Ball-End Hex Screwdriver 4 mm “Fire Orange” for Hapstone R2
    1 Digital Angle Gauge Hapstone

    Technical details

    Specifications

    System Hapstone R2 Black
    Platform Hapstone Modular Platform
    Clamp Module Rotating clamp module with adjustable flipping strength
    Included Clamps Universal Angled Clamps for Hapstone R2 (2 pcs)
    Whole Milled Angled (Fillet) Clamps for Hapstone R2 (2 pcs)
    Included Adapter Fine-Tuning Adapter
    Sharpening Angle Range 12° to 40° (varies by clamp and blade)
    Blade Capacity Up to 12" (300 mm) long and up to 1/4" (8 mm) thick
    Stone Compatibility 6" (160 mm) stones, Edge Pro & KME formats
    Pivot Type Linear ball-bearing pivot, no lubrication needed
    Guide Rod Lightweight alloy guide rod with wooden handle
    Base Rubber-coated feet for enhanced stability
    Sharpening Stones Not included
    Warranty 5 years

    Compatibility

    Supported clamps and add-ons

    Compatible Clamps Universal Angled Clamps for Hapstone R2 (included)
    Whole Milled Angled (Fillet) Clamps for Hapstone R2 (included)
    Universal Straight Clamps for Hapstone R2
    Central Y-Shaped Clamp for Hapstone R2
    Whole Milled Straight Clamps for Hapstone RS
    Small Whole Milled Angled Clamps for Hapstone RS
    Small Central Y-Shaped Clamp for Hapstone RS
    Small Universal Angled Clamps for Hapstone RS
    Optional Add-ons Convex Adapter for Hapstone (Gen 2)
    Convex Mini-Adapter
    Spring-Assisted Stopper ⌀6 mm
    Thickness Compensator for R2/V8
    Vertical Rod (Gen 2) for R2/V8
    Hapstone Lighting System
    Extendable Table Module (V8)
    Chisel Sharpening Module
    Scissors Sharpening Module
    Turntable Module for round knives

    Note: Sharpening stones are not included. Please select compatible stones and optional accessories using the product options above.

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    Customer Reviews

    Overall rating: 4.9 / 5 from 10 reviews.

    Customer video review of Hapstone R2 BLACK Knife Sharpener

    Damit macht Messer schärfen Spaß 👍🏽

    Customer photo review of Hapstone R2 BLACK Knife Sharpener

    An excellent, easy-to-use sharpening system. I switched to the R2 from another system, and the difference is huge. With the R2, you can sharpen almost any blade, regardless of its length and thickness. The sharpening angles are beyond praise. And the icing on the cake is the system's modularity. Kudos to the engineers at Hapstone.

    A great sharpening system with excellent precision and build quality, with one drawback: the central post is not secured in any way; it is simply inserted into the holder from below. This means that when working on a soft surface, the sharpening angle will fluctuate. The fix would be simple and inexpensive: add a locking mechanism for the post, similar to the thickness compensator (ideally, with an eccentric clamp). It is not clear why this was not implemented in the first place. As for assembly, I have two comments. First, the assembly instructions are way too minimalistic. I had to watch a review of the sharpening system by Ibis (sic!) to figure things out. It is completely unclear why the manufacturer does not provide video instructions (and this applies to all of their products, not just the sharpening system itself). Second, the kit includes an Allen key and a hex screwdriver, but there is no Phillips screwdriver (which is needed to remove the central-post holder). You have to buy one yourself, which was quite frustrating because I had to go out and buy a screwdriver just to assemble the system (with precise angle adjuster). A couple of comments about the included accessories. First, the angle gauge feels like an extremely cheap Chinese toy, completely out of place next to the excellent build quality of the system itself. Second, the red marker? :) Sure, it matches the brand colors nicely, but I obviously won't be using it because black provides much better contrast.

    Thank you very much for a very smooth transaction. Thanks to Mario, my order was optimised for my specific needs. Finally knives are sharp again.

    I think a long comment would be unnecessary. It's just an amazing device. I highly recommend it.

    good quality, comfortable to use ..

    Simple setup, simple usage, good results!

    Très bon produit. Avant j'avais peur d'affuter mes beaux couteaux, mais avec cet appareil c'est un jeu d'enfant. La qualité de fabrication est excellente, et la finition top. J'ai commandé depuis la France sur le site .eu la livraison à été rapide. Comme annoncé le colis n'a pas été taxé. Merci pour ce superbe produit que je recommande pleinement

    So far very happy with the sharpener. Quality is great and produces a sharp edge quickly and easily.

    Best machine at the moment Sharpening it's my zen time and when I'm doing it I pretend the best for myself and my knives. The system works really well and I did really few modifications to suit my desires. I really hope they can put the rod right in the center on the next models.

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