English
Italiano 
Since 2004 he has been a member of the Hungarian Knife Makers Guild (Magyar Késmíves Céh), and in 2014 he became a member of the German Knifemakers Guild (Deutsche Messermacher Gilde).
He handmakes exclusive and hunting knives by stock removal method, mainly using the following steels: 440c, ATS-34, D2, RWL-34, damask and stainless damask.
The handles of his knives can be crafted from a variety of bones and wood; he often uses ornamentation and inlays that can be made of materials such as coral, turquoise, mother-of-pearl or mammoth ivory.
The sheaths are made with the use of cow skin, snakeskin, stingray skin, ostrich skin or crocodile skin.
For his exclusive knives he often collaborates with master engravers, who create embellishments such as carvings, scrimshaw and bolino techniques.
https://www.ultimateknivesandgear.com/custom/knife-makers/item/310-kertesz-attila-en#sigProId670defad69
