Based on this product's specifications, here are some alternatives and similar models
Hammer JUCO Młotek ślusarski monoblock 700 g – steel head, single-piece construction
Summary description:
JUCO Młotek ślusarski monoblock 700 g is a 700‑gram locksmith/metalworking hammer with a single‑piece (monoblock) steel head and handle. Designed for striking, shaping and fitting metal parts, riveting and general workshop tasks. The monoblock design offers durability and reduced handle loosening, suitable for professional and DIY metalwork.