Hapstone R2 Opti Knife Sharpener
Hapstone Modular Platform Maximum rigidity. Premium control. Hapstone R2 Opti is a premium guided knife sharpener with whole milled angled clamps, a rotating clamp module, and a ri gid upgrade-ready platform for advanced sharpening performance right out of the box. Clamp system Whole milled. Ultra rigid. The R2 Opti comes with whole milled angled clamps made from a solid piece of aircraft-grade aluminum and anodized in black for added corrosion resistance and surface strength. Performance Advanced setup from the start. Designed for users who want higher rigidity and more confidence right away, without needing to upgrade the clamp system later. Clamping system Stable with demanding blade geometries. Whole milled angled clamps are especially well suited for Scandinavian grinds, kitchen knives, EDC blades, and fillet knives. The undercut design also allows sharpening knives with a full flat grind. Why R2 Opti More rigidity. More confidence. Hapstone R2 Opti is built for users who want a more rigid clamp setup from day one. It delivers a premium sharpening feel and is a strong choice when clamp stability is the priority. Whole milled clamps Machined from solid aluminum for higher rigidity and dependable blade holding. Fast installation Each clamp is fixed with a single screw, making setup quicker and more convenient. Blade coverage The clamps can slide freely along the rotating clamp module to secure knives up to 12" (300 mm) long. Flexible bite Two screw sets are included: short screws for thin blades and standard screws for general-purpose sharpening. Base Stable on any surface. The platform base uses rubber-coated feet for secure and steady operation during sharpening. Stone holder Compatible with popular formats. Supports 6" sharpening stones in Edge Pro and KME formats, giving you broad abrasive compatibility. Sharpening performance Smooth movement. Precise results. The R2 Opti combines a lightweight alloy guide rod with a wooden handle, a linear ball-bearing pivot, and a rotating clamp module for consistent angle work and comfortable sharpening. What’s included Premium kit. Upgrade-ready platform. Hapstone R2 Opti includes the essential R2 platform with whole milled angled clamps and two screw sets, giving you a rigid and advanced setup from the beginning. Base & Rods 1 Platform base1 Vertical guide rod1 Horizontal guide rod1 Lightweight alloy guide rod with wooden handle Pivot & Rotation 1 Linear ball-bearing pivot unit1 Rotating clamp moduleAdjustable flipping strength Clamps 1 pair of Whole Milled Angled Clamps for Hapstone R2 Screws 2 sets of screwsShort screws for thin bladesStandard screws for general-purpose sharpening Technical details Specifications System Hapstone R2 Opti Platform Hapstone Modular Platform Clamp Module Rotating clamp module with adjustable flipping strength Included Clamps Whole Milled Angled Clamps for Hapstone R2 (2 pcs) Sharpening Angle Range 8° to 35° (depends on blade geometry) Blade Capacity Up to 12" (300 mm) long and up to 1/4" (8 mm) thick Clamp Material Whole milled aircraft-grade aluminum, black anodized Screw Options Short screws for thin blades and minimum biteStandard screws for general-purpose sharpening Stone Compatibility 6" (160 mm) stones, Edge Pro & KME formats Pivot Type Linear ball-bearing pivot, no lubrication required Guide Rod Lightweight alloy guide rod with wooden handle Base Rubber-coated feet for enhanced stability Sharpening Stones Not included Warranty 5 years Compatibility Supported clamps and add-ons Compatible Clamps Universal Angled Clamps for Hapstone R2Universal Straight Clamps for Hapstone R2Whole Milled Angled (Fillet) Clamps for Hapstone R2 (included)Central 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 Precise Angle Adjuster for Hapstone R1/R2/V8/M3Convex 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. 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