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Hapstone RS Family
Hapstone RS is the core sharpening system of the RS family — a compact, precise, and versatile platform with excellent functionality right out of the box.
Core system
Hapstone RS is the foundation of the RS family. It offers a compact form factor, precise angle control, and a versatile clamp system for a wide range of knives.
Versatility
From small utility knives to larger kitchen blades, the RS platform is built to handle everyday sharpening tasks with consistency and control.
Top view
The RS system combines a stable base, rotating clamp module, and precise abrasive guidance in a compact footprint that is easy to use on any work surface.
Package update
Configuration changes effective March 9, 2026.
| Included | Until June 11, 2026 | After June 11, 2026 |
|---|---|---|
| Base Hapstone RS | ✔ | ✔ |
| Rotating Clamp Module | ✔ | ✔ |
| Clamps | Hapstone RS Clamps | Small Universal Angled Clamps for Hapstone RS |
| Stone Holder | Standard Stone Holder | Advanced Stone Holder with Linear Bearing |
| Stickers Hapstone | ✔ | ✔ |
| King Size Sharpie Marker | ✔ | ✔ |
What’s changed: After June 11, 2026, the system includes Small Universal Angled Clamps and the Advanced Stone Holder with Linear Bearing, providing smoother motion and improved sharpening stability.
Clamps
The clamp system is designed to hold a wide range of blades securely and consistently during sharpening.
System view
The RS architecture is built around smooth control, rigid support, and easy access during the sharpening process.
Why Hapstone RS
Hapstone RS is a strong starting point for users who want a capable guided sharpening system without moving straight to the maximum configuration. It delivers excellent functionality and remains expandable inside the RS family.
A space-efficient sharpening system that fits comfortably into a workshop, kitchen, or hobby setup.
Designed to provide stable blade holding and consistent sharpening angles across different knife types.
Part of the Hapstone RS family, with access to compatible clamps, accessories, and modular upgrades.
A basic system with very good real-world sharpening capability for everyday and enthusiast use.
Sharpening range
The Hapstone RS system is designed for knives from 40 to 230 mm in length and up to 6 mm thick, covering everything from smaller blades to more substantial working knives.
Ball pivot
An innovative ball pivot design provides smooth movement and more freedom during sharpening.
Materials
Aircraft aluminum, stainless steel guides, and a heavy steel base work together for stable and long-term performance.
What’s included
The Hapstone RS package contains the essential components needed to begin sharpening on the RS platform.
1 Hapstone RS sharpening system
1 Platform
1 Rotating clamp module
1 Advanced Stone Holder with Linear Bearing
1 (pair) Small Universal Angled Clamps for Hapstone RS
1 User manual
1 Shipping box
Technical details
| System | Hapstone RS | |
|---|---|---|
| Weight | 88.18 oz (2.5 kg) | |
| System Size | 11 × 5.5 × 7.4 in (280 × 143 × 188 mm) | |
| Blade Length | 40 mm – 230 mm | |
| Blade Thickness | Up to 6 mm | |
| Sharpening Angle | 12° – 30° | |
| Stone Compatibility | 6×1 in (150×25 mm) 4×1 in (100×25 mm) |
|
| Maximum clamps | Up to 4 clamps on guide | |
| Materials | Aircraft aluminum, stainless steel guides, heavy steel base | |
| Sharpening Stones | Not included | |
| Warranty | 5 years | |
