Based on this product's specifications, here are some alternatives and similar models
Power plug adapter Gembird A-AC-EUFUKM-01 Type G (UK) to Type F, 13 A, white, 55×50×70 mm
Summary description:
Gembird A-AC-EUFUKM-01 is a compact plug adapter that converts a Type G (UK) plug to a Type F socket. Rated for 13 A current, it features male and female connectors in a white housing. Dimensions are 55×50×70 mm and weight 53 g, making it suitable for connecting UK appliances to Type F European outlets at home or while traveling.