The Herman Slim Custom #11 is a premium custom folder that brings together high-end materials, refined mechanical execution, and the distinctive collector appeal that has made Bartosz Herman one of the most respected modern knifemakers working in Poland today. Originally made for the collector we purchased it from and built in January 2022, this piece represents the kind of individualized Herman build that continues to stand out in the world of premium custom folders. With a stainless powder Damasteel blade, a striking Timascus handle, and Herman’s signature focus on smooth action and precision detail, this is a serious collector-grade knife with both visual impact and real-world usability.
Long, lean, and elegant, the Slim platform has earned a strong following among collectors who appreciate knives that feel like functional art without sacrificing performance. This example stands out for its premium full-dress material package and complete presentation, including the dedicated wooden box, soft pouch, and titanium pivot tool. For buyers searching for a Herman Slim, a Damasteel custom folder, or a high-end Timascus folding knife, this piece checks a rare number of boxes in a single build.
Damasteel Blade and Herman Mechanical Detail
The blade is crafted from stainless powder Damasteel and hardened to 61 HRC, giving the knife both premium stainless performance and the layered visual character that has made Damasteel so desirable in the custom knife world. That patterned blade pairs especially well with the Timascus handle, creating a cohesive high-end presentation that feels luxurious without becoming excessive. In the photo, the contrast between the blade pattern and the handle’s shifting color play gives the knife a very strong visual identity.
Mechanically, this Slim reflects the engineering detail Herman Knives is known for. It uses a handmade ceramic ball bearing system by Herman, additional hardened stainless washers in the bearings, a ceramic detent ball, tungsten carbide on the blockade, and a tungsten carbide alloy stop pin. Those details matter because they speak directly to long-term action, lock integrity, and the kind of precision collectors expect from a Herman build. This is not just a visually premium knife. It is a highly considered custom folder built for performance as well as presentation.
Timascus Handle and Collector Appeal
The handle is built from Timascus, giving the knife the layered, iridescent appearance collectors look for in premium custom folders. The visual effect is dramatic without losing sophistication, and in the uploaded photo the Timascus shows especially well against the patterned Damasteel blade. The backspacer, clip, and lock are all Titanium Grade 5, giving the knife a strong structural foundation beneath the more decorative exterior presentation.
Bartosz Herman, based in Łódź, Poland, is widely known for producing high-end folding knives that balance precision engineering with functional art appeal. The Slim is one of his best-known models, and examples like this help explain why. For collectors of premium international customs, the Herman Slim Custom #11 is a strong and highly marketable piece with premium materials, complete packaging, and excellent presentation. Collectors who appreciate the Herman Slim Custom #11 may also want to browse more premium maker-driven inventory through our Shop by Maker page, explore additional standout builds in Folding Knives, and discover other collector-focused pieces in our Preowned Knives section (Shop by Maker, Folding Knives, Preowned Knives).
Specifications
- Model: Herman Slim Custom #11
- Build Date: January 2022
- Origin: Originally made for the collector we purchased it from
- Blade Material: Stainless powder Damascus Damasteel
- Blade Thickness: 3.2 mm (0.1260″)
- Blade Hardness: 61 HRC
- Handle Material: Timascus
- Backspacer: Titanium Grade 5
- Clip: Titanium Grade 5
- Lock: Titanium Grade 5
- Bearing System: Handmade ceramic ball bearing system by Herman
- Additional Bearing Support: Hardened stainless washers in bearings
- Detent Ball: Ceramic
- Blockade Insert: Tungsten carbide
- Stop Pin: Tungsten carbide alloy
- Pivot: Custom TORX T20 pivot
- Included Tool: Titanium pivot tool
- Included Packaging: Dedicated wooden box and soft pouch
- Weight: 117 g (4.13 oz)
- Overall Length: 225 mm (8.86″)
- Blade Length: 97 mm (3.82″)
- Folded Length: 127 mm (5″)
Short Video Introduction
This video shows the exact Herman Slim Custom #11, that we are offering for sale. A premium custom folder built in January 2022 with a stainless powder Damasteel blade, Timascus handle, and Titanium Grade 5 hardware. Originally made for the collector we purchased it from, this Herman build brings together premium materials, refined mechanics, and the elegant full-dress presentation that collectors look for in a high-end Herman Slim.
Collectors who appreciate the Herman Slim Custom #11 may also want to explore more premium maker-driven inventory through our Shop by Maker page, browse additional standout builds in our Folding Knives collection, and discover other collector-focused pieces in our Preowned Knives section. For buyers interested in learning more about the maker behind this piece, our Herman Knives brand page is also a strong internal link to include within the product description.
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