Premium SCM440/S45C alloy steel construction ensures exceptional durability and wear resistance for high-frequency industrial use. Precision-engineered roller surface with advanced heat treatment delivers ultra-smooth numbering impressions. Ideal for repair shops, manufacturing facilities, and industrial stamping applications requiring consistent mark quality. Rubber-coated grip provides secure handling during prolonged operation. Compatible with all standard numbering machines for versatile workshop integration. Cost-effective bulk pricing available for commercial buyers and maintenance teams.