Brand:Hapstone (Made in Ukraine)

Product Code:HAPSTONE-R2-BLACK 2-BAREBONE

The Hapstone R2 Black is the most advanced edition of the R2 series — a high-performance, fully modular sharpening system for demanding knife enthusiasts. Built on the Hapstone Modular Platform, it combines precision, flexibility, and premium components — all packed into one complete sharpening solution.

What sets the Black Edition apart is its rich configuration. It is the first R2 model to feature four clamps by default — two universal angled clamps and two whole milled angled (fillet) clamps. This combination ensures excellent performance with a wide range of knives — from compact EDC blades to long kitchen knives.

In addition to the rotating clamp module and digital-ready stone holder, the Black Edition includes several exclusive accessories out of the box: a digital angle gauge, a fine-tuning adapter, spring-assisted stoppers, and a ball-end hex screwdriver. It’s the ultimate upgrade for anyone looking to get the most out of the Hapstone R2 platform.

What's Included

Platform base

Vertical and horizontal guide rods

Linear ball-bearing pivot unit

Rotating clamp module

Universal Angled Clamps (2 pcs)

Whole Milled Angled (Fillet) Clamps (2 pcs)

Fine-Tuning Adapter

Spring-Assisted Stopper Rings (2 pcs)

Digital Angle Gauge

Ball-End Hex Screwdriver (4 mm)

Note: Sharpening stones are not included. Please choose your preferred stones and accessories using the product options above.

Key Features

Rotating clamp module with adjustable flipping strength

Four included clamps for ultimate versatility

Sharpening angle range: 8° to 40° (*depends on clamp and blade)

Max blade length: 12" (300 mm), max thickness: 1/4" (8 mm)

Supports 6" (160 mm) stones (Edge Pro & KME formats)

Linear ball-bearing pivot for smooth, maintenance-free operation

Lightweight alloy guide rod with comfortable wooden handle

Rubber-coated feet for stable operation on any surface

Clamp Compatibility

The Black Edition supports all clamp types available for the R2 platform:

Universal Angled Clamps for Hapstone R2 (2 pcs – included)

Whole Milled Angled (Fillet) Clamps for Hapstone R2 (2 pcs – included)

Universal Straight 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)

Specifications

Dimensions (L x W x H) 23.6"х 8.4" х 10.8" (600 х 215 х 275 mm)

Maximum blade length 12" (320 mm)

Weight 9.1 lbs (4300 g)

Maximum blade thickness to 0.3" (8 mm)

Sharpening angle from 8° to 40°

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)

Kit

Whole milled angled (fillet) clamps Hapstone (Pair) Included

Universal Angled Clamps for Hapstone R2 (Pair) Included

Rotating Clamp Module (R2 Module) Included

Fine-Tuning Adapter for Hapstone Included

Spring-Assisted Stopper Rings Included

Digital Angle Gauge Included

Ball-End Hex Screwdriver Included

Marker Included