Based on this product's specifications, here are some alternatives and similar models
Wolfcraft mounting arbor 13 mm for Wolfcraft 13 and 22 mm
Summary description:
Mounting arbor by Wolfcraft designed for use with Wolfcraft systems in 13 mm applications and compatible with 22 mm components. This metal arbor provides a secure connection between drilling or fastening tools and accessories, enabling stable mounting and reliable torque transfer. Suitable for workshop and DIY tasks requiring adapter or arbor for tool attachments.