Based on this product's specifications, here are some alternatives and similar models
Lapp SKINDICHT MR-M 40/32 Brass Nickel-Plated Cable Gland Reducer
Summary description:
The Lapp SKINDICHT MR-M 40/32 is a high-quality brass cable gland reducer designed for secure and reliable cable management. Featuring a durable nickel-plated finish, this component allows for the adaptation of M40 threads to M32. Supplied in a pack of 10, it is ideal for industrial electrical installations requiring robust protection and precise thread sizing in demanding environments.