Because you know what you have. The inset in the booklet labels indicates in an elegant manner, that this is a genuine Herbertz penknife. The blade is made of high quality steel 440 is locked after opening a back lock. The book is equipped with brass plates, cocobolo shells and nickel silver. Finger grips ensure a firm grip.
- Blade length: 8,8 cm
- Handle length: 10.7 cm
- Length open: 19.5 cm
- Weight: 114 g
This steel is very often used due to its rust resistance for everyday knife. For the high chromium content of up to 18% makes. This steel is also characterized by a very high hardness, approximately 56-59 Rockwell. The hardness is determined by the Mischungsverhätnis on Carbon shares. However, the disadvantage of the most hard steels is the lack of edge retention. With frequent use, you must sharpen the blade regularly.
440 steels are divided into 3 subtypes:
- 440 A: Carbon content about 0.55%, chromium 14%, about 56 HRC Rockwell
- 440 B: Carbon content about 0.90%, chromium about 18%, about 56 - 57 HRC Rockwell
- 440 C: carbon content approximately 1.05%, chromium about 17%, about 58-59 HRC Rockwell
Information on the blade shape:
Hecht blade (English: Clip Point Blade)
The pike blade is one of the most common blade shapes. This blade shape molding provides that approximately the front third of the cutting blade looks like truncated. Often with a slight rounding. This blade shape is mainly to save weight and the blade tip running rather pointed to.