Based on this product's specifications, here are some alternatives and similar models
Extension Lead C13 socket C14 plug 5m Goobay 39203 Black
Summary description:
The Goobay Extension Lead features a 5m length with IEC C14 plug and IEC C13 socket, suitable for various devices. It supports an input voltage of 250V and is made with H05VV-F3G cable type, ensuring durability and safety. Ideal for extending power supply to your electronics at home or office.