Description Hapstone RSPrecision knife sharpening system engineered in Ukraine. Compact, stable, and designed for repeatable, professional results. Built for kitchens, workshops, and enthusiasts who value angle control and mechanical precision. Range & Compatibility Blade length: 40–230 mm Max thickness: 6 mm Angle range: 12°–30° Stone format: 150×25 / 100×25 mm Clamps on bar: Up to 4 Suitable for thin fillet knives, everyday kitchen knives, and thicker outdoor blades. Stability & Control Magnetic 360° ball pivot module delivers full sharpening freedom while maintaining stable alignment. Heavy 8 mm steel base with silicone feet ensures maximum stability during operation. Engineered for smooth strokes and predictable angle consistency. Materials & Build Clamps from aircraft-grade aluminum High-quality stainless steel guide rods Solid aluminum stone holder and rotating module frame 8 mm steel base for structural rigidity Upgrade Options 1x6 Jende 5 Piece Diamond Plate KitLearn more HERE. Hapstone Premium Storage Case For RSLearn more HERE. What’s Included Hapstone RS knife sharpening system User manual Shipping box Base Hapstone RS Rotating Clamp Module Clamps: Small Universal Angled Clamps for Hapstone RS Stone Holder: Advanced Stone Holder with Linear Bearing Stickers Hapstone King Size Sharpie Marker Warranty: Hapstone RS is backed by a 5-year manufacturer warranty. Specifications Dimensions (L x W x H) 11"х5.5"х7.4" (280 х 143 х 188 mm) Maximum blade length 9.1" (230 mm) Weight 5.5 lbs (2300 g) Maximum blade thickness to 0.3" (6 mm) Sharpening angle from 12° to 30° 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) Compatibility of Module Vertical Module for Hapstone R2/V8 ❌Incompatible Precision angle adjustment module for Hapstone R1/R2/M3/V8 ❌Incompatible 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 ✅Compatible Thickness Compensator Hapstone R2 ❌Incompatible Spring-Assisted Stopper Ring ✅Compatible Fine-Tuning Adapter for Hapstone ❌Incompatible 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
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