Bunka 155mm MH Go Mai Damascus, Nickel & Apex Ultra Core


Back in September 2022 we visited Martin Huber in Austria and produced a beautiful GoMai billet, an incredible Apex Ultra core clad in a dense Damascus with a nickel diffusion layer. The steel was enough to produce just two knives. We sent the steel to Karol Kary's in Poland and he has produced an absolutely beautiful Gyuto and this smaller Bunka.

The Bunka 155mm is a very classy, and nimble blade. With stunning, signature madebykary's features like his brutalist inspired textures and hand carved bolster and pommel. The handle is crafted in stabilized ancient bog oak and copper. The combination is edgy, dark and very cool.

Collaborations like this can produce some of the most exciting and unique works and this beautiful Bunka 155mm is absolutely no exception. Martin's steel designed for performance, but featuring the beautiful Damascus and the incredibly unique work of Karol Karyś result in what can only be described as unique, beautiful, stunning...

Product Specification

Blade Type: Gyuto

Edge Length: 155mm

Spine Heel: 3.50mm

Spine Mid: 2.13mm

Spine Tip (20mm before): 1.7mm

Blade Height: 52.85mm

Weight: 185g

Cutting Edge Steel: Apex Ultra

Stainless: No

HRC: 66

Blade Construction: 5 Layer (Go Mai)

Blade Finish: Textured and Acid Etched (Forced Patina)

Grind: Convex

Handle Construction: Hidden Tang

Handle Materials: Stabilised Bog Oak, Copper

Handedness: Ambidextrous

Saya Included: No

Shipping & Returns


We process orders 5 days a week (Monday - Friday) and ship from our shop in Berlin, Germany. We ship with FedEx, UPS and Deutsche Post.

We are happy to offer free international shipping on a variety of orders depending on location and order value. You can check to see where things sit for you here.


At Modern Cooking we want our customers to be inspired and delighted by the products they purchase through our shop.

However, we understand that you may need to return products occasionally. If you are not entirely happy, you can return your purchase in its original condition within 14 days for a refund. Please email if you wish to return any goods.

In the unlikely event that you receive faulty goods or your order is damaged in transit, please contact us for instructions on how to return the goods as in this case we will meet the cost of return postage, though only if this is arranged through our authorised carriers. Any claim for refund or exchange resulting from faulty goods or goods damaged in transit must be raised within 5 business days.

All Modern Cooking logistics partners provide insurance in case of damage, but the coverage is only valid if we are notified within 5 business days. Please make sure to inspect your order immediately upon receipt to ensure that there is no damage.

Once we have the goods back, we will issue a full refund or send replacements where possible, as you prefer.

Product Care:

Cleaning: Clean by hand with warm water. Avoid wetting the handle when possible. 

Sharpening: We advise using whetstones to sharpen your knives and a honing rod or steel to maintain the burr between sharpening sessions. 

Reactive Steels: Reactive steels like Aogami Super, Apex Ultra or one of the many premium reactive German and Swedish steels are susceptible to rust if not properly cared for. In this case we advise that you keep the knife dry between uses and when storing the knife for longer periods wiping the knife blade with Tsubaki oil or another food safe oil is a wise choice. This will not stop a patina forming on the blade, but it will stop rust. A patina can be a beautiful personal feature on your knife and helps to stop rust forming. So, dry your knife regularly between uses, store in a dry place and apply some Tsubaki oil from time to time when storing for long periods. 

A reference guide to steel types

Handle Care: If you have a knife with a non-stabilised wooden handle, you can apply Tsubaki oil or another food safe oil to your handle from time to time. Food safe wax can be applied to both stabilised and no-stabilised wooden handles. Never apply hot wax or oil as you risk warping or damaging the handle.