Highlights Fine-Tuning Angle Adjustment Quick-Rotation Mechanism Universal & Whole Milled Clamps Included Heavy-Duty CNC-Machined Construction Fully Modular System Supports Standard 6" Sharpening Stones Description 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. Complete SetupEverything 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. VersatilityBroader 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. PrecisionFine 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. Universal ClampsFlexible blade positioning. Universal Angled Clamps can be adjusted inward or outward to handle a wide range of blade lengths and geometries. Whole Milled ClampsRigid 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.Ready now: This is a complete sharpening system here and now, not a base configuration that requires immediate upgrades.Better control: The Fine-Tuning Adapter helps make small angle changes quickly and precisely.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. 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. Stone HolderCompatible with popular formats. Supports 6" sharpening stones in Edge Pro and KME formats, giving you wide abrasive compatibility. BaseStable 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 Clamps 1 pair of Universal Angled Clamps for Hapstone R2 1 pair of Whole Milled Angled (Fillet) Clamps for Hapstone R2 Pivot & Rotation 1 Linear ball-bearing pivot unit 1 Rotating clamp module Adjustable flipping strength Accessories 2 Spring-Assisted Stopper ⌀6 mm Fine Adjustment 1 Fine-Tuning Adapter for precise angle control 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 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 R2Central Y-Shaped Clamp for Hapstone R2Whole Milled Straight Clamps for Hapstone RSSmall Whole Milled Angled Clamps for Hapstone RSSmall Central Y-Shaped Clamp for Hapstone RSSmall Universal Angled Clamps for Hapstone RS Optional Add-ons Convex Adapter for Hapstone (Gen 2)Convex Mini-AdapterSpring-Assisted Stopper ⌀6 mmThickness Compensator for R2/V8Vertical Rod (Gen 2) for R2/V8Hapstone Lighting SystemExtendable Table Module (V8)Chisel Sharpening ModuleScissors Sharpening ModuleTurntable Module for round knives Note: Sharpening stones are not included. Please select compatible stones and optional accessories using the product options above. More Specs Specifications Dimensions (L x W x H) 23.6"х 8.4" х 10.8" (600 х 215 х 275 mm) Maximum blade length 12" (320 mm) Weight 9.1 lbs (4300 g) Maximum blade thickness to 0.3" (8 mm) Sharpening angle from 8° to 40° Minimum blade length 1.6" (40 mm) The size of the stone 6" x 1" (150 x 25 mm) 4" x 1" (100 x 25 mm) Kit Whole milled angled (fillet) clamps Hapstone (Pair) Included Universal Angled Clamps for Hapstone R2 (Pair) Included Small Whole milled angled clamps Hapstone (Pair) — Rotating Clamp Module (R2 Module) Included Extendable Magnetic Table (V8 Module) — Fine-Tuning Adapter for Hapstone Included Spring-Assisted Stopper Rings Included Thickness Compensator Hapstone — Digital Angle Gauge Included Ball-End Hex Screwdriver Included Marker Included Compatibility of Module Vertical Module for Hapstone R2/V8 ✅Compatible Precision angle adjustment module for Hapstone R1/R2/M3/V8 ✅Compatible Chisel module ✅Compatible Extendable Magnetic Table (V8 Module) ✅Compatible Scissors Attachment for Hapstone ✅Compatible Hapstone Lighting System ✅Compatible Compatibility of Accessories Thickness Compensator Hapstone RS ❌Incompatible Thickness Compensator Hapstone R2 ✅Compatible Spring-Assisted Stopper Ring ✅Compatible Fine-Tuning Adapter for Hapstone ✅Compatible Convex Adapter for Hapstone ✅Compatible Compatibility of Clamps Small Side Clamps for Hapstone ✅Compatible Small Whole milled angled clamps Hapstone ✅Compatible Universal Angled Clamps for Hapstone ✅Compatible Whole milled angled (fillet) clamps Hapstone ✅Compatible Upgrade Options 1x6 Jende 5 Piece Diamond Plate KitLearn more HERE. Hapstone Premium Storage Case For RSLearn more HERE.
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