Based on this product's specifications, here are some alternatives and similar models
Tube Cap DeLOCK 60230 Black Nylon
Summary description:
The DeLOCK 60230 tube cap is made of durable black nylon, designed to securely cover and protect tube ends. It ensures a tight fit, preventing dust and moisture from entering. Ideal for various applications, this cap is lightweight and resistant to wear, making it a reliable choice for both professional and DIY projects.