
The Polish Knife Maker Jakub Wieczorkiewicz manufactures tactical pocket and fixed knives under the brand Poltergeist Works from high-quality materials. Almost all individual parts are manufactured completely by hand, without modern production techniques such as CNC, WaterJet or laser. The components he uses are made exclusively of high-end materials. For example, only powder metallurgical steels are used for the blades of his pocket knives.

No longer available
- Pocket Knife
- N690
- G10
- Poltergeist Works
- Framelock
- Flipper

No longer available
- Pocket Knife
- N690
- Micarta
- Poltergeist Works
- Framelock
- Flipper

No longer available
- Pocket Knife
- 14C28N
- G10
- Poltergeist Works
- Framelock
- Thumb Stud

No longer available
- Pocket Knife
- 14C28N
- G10
- Poltergeist Works
- Framelock
- Thumb Stud

No longer available
- Pocket Knife
- 14C28N
- G10, Stainless Steel
- Poltergeist Works
- Framelock
- Thumb Stud

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed

No longer available
- Fixed Blade
- D2
- G10
- Poltergeist Works
- Fixed