Based on this product's specifications, here are some alternatives and similar models
Cable puller-feeder Rittal 4051.103 – steel accessory for cable management
Summary description:
Rittal 4051.103 is a steel cable puller-feeder accessory supplied as a single unit. Designed for use in industrial enclosures and electrical installations, it facilitates guided cable routing and feeding during assembly and maintenance. Durable steel construction provides mechanical support for organized cable management in control cabinets and switchgear.