Based on this product's specifications, here are some alternatives and similar models
Diamond cutting disc Flex DISTAR DIAMOND CROWN RS-TX 1 1/4" (62 mm) x 450 mm, dry
Summary description:
Diamond cutting disc Flex DISTAR DIAMOND CROWN RS-TX with 1 1/4" (62 mm) bore and 450 mm diameter, designed for dry cutting. This segmented diamond blade is intended for high-performance cutting tasks on construction materials; it offers precise, durable cutting of concrete, stone and similar hard surfaces. Suitable for handheld or machine-mounted cutting equipment with compatible arbor size.