Based on this product's specifications, here are some alternatives and similar models
Pivotable joint BIG Helios 1/4"–3/8" model 428225 for stands and mounts
Summary description:
BIG Helios pivotable joint model 428225 is an adapter designed to connect 1/4" and 3/8" threads between photographic stands, mounts and accessories. It provides a rotatable joint for adjusting angle and orientation of attached equipment, facilitating quick positional changes and secure mounting in studio or on-location setups.