Based on this product's specifications, here are some alternatives and similar models
Hand saw blade STANLEY 120mm for Japanese pull saw mini FatMax (model 203313)
Summary description:
Replacement hand saw blade by STANLEY designed for Japanese-style pull saws, 120 mm cutting length. Compatible with mini FatMax saws, model 203313 (MPN 203313). Intended for precise woodworking and fine trimming tasks where a short, accurate cut is required. Useful for joinery, model-making, trimming moldings and detailed carpentry.