Based on this product's specifications, here are some alternatives and similar models
Hotend with stainless steel nozzle 0.2 mm for BambuLab A1 series printers
Summary description:
Replacement hotend designed for BambuLab A1 series 3D printers, equipped with a 0.2 mm stainless steel nozzle. Provides precise filament extrusion for detailed prints and is suitable for abrasive and standard filaments where a hardened nozzle is required. Useful for fine-resolution prototyping, small mechanical parts and models that demand narrow line width and consistent flow.