Based on this product's specifications, here are some alternatives and similar models
Rotary Tool Grinding/Sanding Accessory Dedra DED780910 for Wood, Silicon Carbide, 1 pc
Summary description:
Replacement grinding/sanding accessory Dedra DED780910 designed for rotary tools. Abrasive is silicon carbide, intended for use on wood and similar materials. Supplied as 1 piece per pack. Suitable for shaping, smoothing and surface preparation tasks on wooden workpieces when used with compatible rotary tools.