The Hapstone R2 Standard is a professional-grade knife sharpener built on the Hapstone Modular Platform — an innovative system that lets you configure and upgrade your sharpener with no limitations. Combining high precision, reliability, and scalability, the R2 is ideal for both beginners and experienced sharpening enthusiasts.
This version is equipped with the rotating clamp module and a pair of universal angled clamps, which can be turned inward for small knives or outward for longer blades. A flexible flat spring and spacer screw system ensure secure clamping for any blade geometry, including full flat grinds.
Note: Sharpening stones are not included. Please select compatible stones and optional accessories using the product options above.
What's Included
- Platform base
- Vertical and horizontal guide rods
- Linear ball-bearing pivot unit
- Rotating clamp module
- Universal Angled Clamps for Hapstone R2 (2 pcs)
Key Features
- Rotating clamp module with adjustable flipping strength
- Sharpening angle range: 12° to 40° (*varies by clamp and blade)
- Supports blades up to 12" (300 mm) long and 1/4" (8 mm) thick
- Compatible with 6" (160 mm) stones (Edge Pro & KME formats)
- Linear ball-bearing pivot – no lubrication needed
- Lightweight alloy guide rod with wooden handle
- Rubber-coated feet for a stable base on any surface
Clamp Compatibility
The R2 system is compatible with a wide variety of clamps:
- Universal Angled Clamps for Hapstone R2 (included)
- Universal Straight Clamps for Hapstone R2
- Whole Milled Angled (Fillet) 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
Modular Add-ons (Optional)
- Precise Angle Adjuster for Hapstone R1/R2/V8/M3
- Convex Adapter for Hapstone (Gen 2)
- Convex Mini-Adapter
- Spring-Assisted Stopper ⌀6mm
- 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 sharpening round knives (leathercraft)
Warranty
All Hapstone R2 sharpeners include a 5-year warranty. You can count on durability, consistent performance, and full support from the manufacturer.
