Based on this product's specifications, here are some alternatives and similar models
Chisel MEGA 15 mm model 19015 woodworking chisel, flat blade, wooden handle
Summary description:
MEGA woodworking chisel model 19015 with a 15 mm flat blade and wooden handle. Designed for cutting, paring and shaping wood, it is suitable for joinery, furniture repair and detailed carpentry work. The hardened steel blade provides a precise cutting edge while the ergonomic wooden handle offers control for hand-driven chiseling tasks.