Based on this product's specifications, here are some alternatives and similar models
PRO rotor (wirnik) for sheet metal shears TNB380K compatible with models 21, 22
Summary description:
Replacement rotor (wirnik) by PRO for sheet metal shears TNB380K, specified for series/models 21 and 22. Designed as a direct spare part to restore motor function in nożyce do blachy (sheet metal shears). Intended for repair and maintenance of compatible TNB380K units, helping recover cutting performance and extend tool service life.