Based on this product's specifications, here are some alternatives and similar models
Grinding wheel GRAPHITE 55H755 for rotary tools — wood, 6 mm shank, 40 mm diameter
Summary description:
GRAPHITE 55H755 is a grinding wheel for rotary tools designed for work on wood. Key specifications: 40 mm diameter, 6 mm shank, weight 32 g, single piece per pack. Suitable for sanding, shaping and finishing wooden surfaces and contours. Compatible with rotary grinders and multi-tools that accept a 6 mm shank.