Based on this product's specifications, here are some alternatives and similar models
Cutting Wheel EXO 6.0 mm Ball for Sandstone, 10 m – EXO
Summary description:
EXO cutting wheel designed for use with sandstone, featuring a 6.0 mm ball-shaped (kulka) profile and supplied in a 10 m length. Intended for stoneworking and masonry applications where a rounded cutting profile is required. Suitable for creating curved or rounded grooves and shaping sandstone edges; compatible with appropriate stone cutting tools and stone grinders.