Kotetsu Iron Clad Kotetsu Type 3 AS Petty 135mm

A good sized petty that is incredibly light and sharp out of the box.

Like his other range, the Iron Clad these knives are spectacularly sharp out of the box which given that he is one of the best sharpeners in Japan is no surprise. The Aogami super blue ensures that the edge will last for a long time between sharpens and the stainless cladding means that it won't need as much care as a full carbon blade.

The handle is an octagonal rosewood with black pakka wood ferrule.

At a glance

We have personally tested and reviewed this knife to give you an honest and personal opinion about it and this is how it rates.

5 / 5 Performance

We can't give this anything less than 5. So sharp out of the box, light, and will fly through any amount of prep work you can throw at it.

4 / 5 Beauty

These knives have a beautiful shape, very simple and stylish with no decoration. You'll love these if you like understated beauty.

5 / 5 Comfort

These knives are very comfortable in the hand, the octagonal handle looks like it would be uncomfortable but it really isn't. The fact that these knives are so light means that you can use them for ages without feeling any fatigue.

4 / 5 Durability

As with all Japanese knives the harder and thinner the blade the more prone to chipping they will be. The usual advice stands, don't hit any bones, twist the blade or hit the chopping board. And, if you do get a chip, don't worry they can be repaired in most cases. These knives given care will last a lifetime.

4 / 5 Ease of Care

As will all carbon steel knives there is an element of care needed. These knives are clad in a softer stainless steel which means the only part of the knife that will patina will be the exposed cutting edge. This will develop over time and give your knife a unique look.

5 / 5 Value for money

These knives are hand-forged and sharpened by Shibata San one of the best sharpeners in Japan and offer excellent value for money.

The technical bits

  • Blade length 136 mm (Measurement of the cutting edge)
  • Total length 266 mm (Blade + Handle)
  • Blade width 2 mm (Measured where blade enters handle)
  • Blade height 28 mm Heel to spine
  • Total weight 62 grams
  • Blade Material Super Blue Steel cutting edge, laminated in Stainless

    This knife steel has some special care instructions, learn more.

  • Style Japanese
  • Handle Style Japanese
  • Tang Style Half
  • Left or right handed Both
  • Type Petty

Our aim is to measure everything as accurately as possible but some specifications (such as hardness for example) are provided by the manufacturer and therefore should be used as a guide only.

What is a Petty knife?

A petty knife is a small utility knife designed mainly for delicate work like cutting herbs or small fruits or vegetables.

Still need some advice choosing the right knife?

We want you to be happy that you're buying the right knife for your cooking needs so if you're not sure what you need, here are some useful places to start.