The knife sharpener, pocket 56-054 by NEO is a tool with a housing made of impact-resistant ABC plastic, partially covered with TPR rubber. It offers a two-stage sharpening of knives - initial shaping using tungsten carbide and final polishing using ceramic. It also allows serrated blades to be sharpened using a specialised rod. The sharpener is characterised by its ergonomically shaped handle. It is offered with an instruction manual. NEO brand products are recommended for a wide range of applications, including survival or bushcraft.