Based on this product's specifications, here are some alternatives and similar models
Painter's stainless steel putty knife Topex 63 mm model 18B606
Summary description:
Stainless steel painter's putty knife Topex, 63 mm blade (model 18B606). Designed for applying and smoothing filler, removing old paint or adhesive residues, and general surface preparation. Features a 63 mm wide corrosion-resistant blade suitable for use with various fillers and compounds in painting, renovation, and repair tasks.