Hapstone RS BLACK Knife Sharpener

⚙️ Upgraded Configuration

Description

Hapstone RS Black

Precision knife sharpening system engineered in Ukraine. Stable, compact, and designed for repeatable results.

Built for kitchens, workshops, and enthusiasts who value smooth motion and angle accuracy.

Hapstone RS Black – Package Update

Configuration changes effective February 11, 2026

Until February 11, 2026 After February 11, 2026

Included	Until Feb 11	After Feb 11
Base Hapstone RS	✔	✔
Rotating Clamp Module	✔	✔
Clamps	Hapstone RS Clamps (2 pairs)	Hapstone RS Clamps (1 pair) Small Universal Angled Clamps (1 pair)
Stone Holder	Standard	Advanced (Linear Bearing)
Stopper	✔	✔
Thickness Compensator	✔	✔
Digital Angle Gauge	✔	✔

What’s New

Starting February 11, 2026, the RS Black package includes an Advanced Stone Holder with Linear Bearing for smoother motion and better control, and an updated clamp set: 1 pair of Hapstone RS Clamps + 1 pair of Small Universal Angled Clamps.

Specifications

Blade length40–230 mm
Blade thicknessUp to 7 mm
Sharpening angle12°–30°
Weight 9.6 ib 3.9 kg

Build Quality

Aircraft-grade aluminum clamps and solid aluminum frame.

Stainless steel guide rods for durability and stability.

Heavy 8 mm steel base with silicone feet for maximum stability.

Best for stones up to 6" long and 1" wide. (160 x 25 mm) and stones 4x1"( 100 x 25 mm)

Warranty

5-year manufacturer warranty with full technical support.

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
Convex 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