Based on this product's specifications, here are some alternatives and similar models
Drill Bit AWTools SDS‑MAX square shank 20 mm × 800/940 mm, model AW43831
Summary description:
SDS‑MAX drill bit by AWTools, model AW43831, with a 20 mm square shank and lengths 800 mm working / 940 mm overall. Designed for rotary hammers with SDS‑MAX chuck, it is intended for drilling into concrete and masonry. Key features include SDS‑MAX compatibility, square shank connection and long-reach design for deeper holes and renovation or construction tasks.