Hapstone RS Standard Knife Sharpener

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Hapstone RS Family Essential RS system. Strong capabilities. 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 Basic system with strong capabilities. 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 Designed for many blade types. From small utility knives to larger kitchen blades, the RS platform is built to handle everyday sharpening tasks with consistency and control. Top view Compact layout. Thoughtful design. 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 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 Secure and adaptable. The clamp system is designed to hold a wide range of blades securely and consistently during sharpening. System view Precision from every angle. The RS architecture is built around smooth control, rigid support, and easy access during the sharpening process. Why Hapstone RS Solid foundation. Real capability. 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. Compact footprint A space-efficient sharpening system that fits comfortably into a workshop, kitchen, or hobby setup. Precise control Designed to provide stable blade holding and consistent sharpening angles across different knife types. RS platform Part of the Hapstone RS family, with access to compatible clamps, accessories, and modular upgrades. Good out of the box A basic system with very good real-world sharpening capability for everyday and enthusiast use. Sharpening range Works with many knife sizes. 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 Magnetic 360° quick-release module. An innovative ball pivot design provides smooth movement and more freedom during sharpening. Materials Built for durability. Aircraft aluminum, stainless steel guides, and a heavy steel base work together for stable and long-term performance. What’s included Core kit contents. The Hapstone RS package contains the essential components needed to begin sharpening on the RS platform. Core system 1 Hapstone RS sharpening system1 Platform1 Rotating clamp module 1 Advanced Stone Holder with Linear Bearing Clamps 1 (pair) Small Universal Angled Clamps for Hapstone RS Documentation 1 User manual Packaging 1 Shipping box Technical details Specifications 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 Video reviews .rs-basic-apple { color: #1d1d1f; line-height: 1.5; } .rs-basic-apple *, .rs-basic-apple *::before, .rs-basic-apple *::after { box-sizing: border-box; font-family: inherit !important; } .rs-basic-apple img { display: block; width: 100%; height: auto; border: 0; border-radius: 24px; } .rs-basic-apple section { margin: 0 0 28px; 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