Black Friday Sale Nov 18 - Dec 5

To buy at a discounted price, a correct coupon code must be applied on checkout. Contact us if a code does not work. 

3-day price protection for the products captured by Black Singularity until its end. Contact us to get a refund if you've purchased for the original (full) price.

If you buy a listed product for the original (full) price and don't request the price protection, the price difference will be donated through space-time to The United Help Ukraine Fund to support people in need in Ukraine.

Black Singularity is ultra-pacifist. Waive your military discount to join.

Black Singularity will capture additional products over time. New products will emerge captured. If captured, products cannot escape Black Singularity until its end.

Hapstone R2 BLACK Knife Sharpener - R2BLACK

Hapstone R2 Lite Knife Sharpener - R2LITE

Hapstone R2 Opti Knife Sharpener - R2OPTI

Hapstone R2 Standard Knife Sharpener - R2STANDARD

Hapstone V8 BLACK Knife Sharpener - V8BLACK

Hapstone V8 Knife Sharpener - V8STANDARD

Hapstone M3 Knife Sharpener - M3STANDARD

TSProf K03 PRO BLACK - K03PROBLACK

TSProf Kadet PRO BLACK - KADETPROBLACK

TSProf Blitz PRO BLACK - BLITZPROBLACK

Kazak Model 100 Knife Sharpener - KAZAKMODEL100

Kazak BLACK Knife Sharpener - KAZAKBLACK

Kazak PRO Knife Sharpener, Kazak PRO+Podium Knife Sharpener - KAZAKPRO

Kazak UBR Knife Sharpener - KAZAKUBR

Kazak Knife Sharpener - KAZAKVANILLA

Leading Edge Core Upgrades and Kits - 777EDGE

Multi-Color Blanks and Multi-Color Mountings - TIANXIA

CBN Products - NANOCUBE

Hapstone Diamonds - NOVAE