Very decent knife with lifetime warranty from a leading German brand. Multiple sizes on good price. Heard that this knife is among the favourites of culinary students.
Update: 15cm knife offer expired
Descriptions from Amazon:
Made from German 1.4116 stainless carbon alloy blade resists stains and corrosion, exhibits toughness and durability, holds its edge retention
One-piece stamped, which produces a strong blade from heel to tip
The blades are heat treated and cooled to achieve a Rockwell of 56-65
The over-sized, hygenic, molded polyproplene handles, provide comfort for the extreme demands of a commercial kitchen
Handcrafted in Portugal
The massive range in rockwell hardness doesn't give confidence.
I'd recommend 20cm-23cm for most people..
25-30cm blade length is starting to get a little long