Based on this product's specifications, here are some alternatives and similar models
Grinding tool GEKO 7143038, 6 mm collet, 230 V, 700 W, 26,000 rpm
Summary description:
Handheld grinding tool GEKO 7143038 with a 6 mm collet, powered by 230 V and a 700 W motor delivering up to 26,000 rpm. Designed for cutting, grinding, deburring and surface finishing on metal, wood and plastics. Suitable for workshop and hobby use where compact, high-speed rotary performance is required. Includes standard spindle specifications for small rotary accessories.