Based on this product's specifications, here are some alternatives and similar models
Hotend with hardened steel nozzle for BambuLab A1 series 0.8 mm
Summary description:
Replacement hotend designed for BambuLab A1 series 3D printers, equipped with a hardened steel nozzle of 0.8 mm diameter. Intended for extrusion of abrasive or composite filaments where increased nozzle wear resistance is required. Fits original BambuLab A1 hotend mounts and enables stable flow at larger layer lines for faster, coarse-detail printing.