Based on this product's specifications, here are some alternatives and similar models
Grinding Stone Set MEGA 10-piece with 3 mm and 6 mm Shanks (model 44910)
Summary description:
MEGA 10-piece grinding stone set (model 44910) includes stones designed for use with rotary tools and drills that accept 3 mm and 6 mm shanks. The set provides a range of abrasive shapes for grinding, deburring, surface finishing and material removal on metals, ceramics and other hard materials. Suitable for workshop, hobby and repair tasks requiring precision shaping and smoothing.