A safety problem with the pictured Samsonite branded travel adaptors has been discovered, which can potentially cause a risk of electrical shocks.
Worldwide Adaptor Plug - Ref. 23528 (D89*436) - Model 3172
Universal Adaptor & Charger - Ref. 45587 (U23*707)
UK/Americas Adaptor Ref. 45588 (U23*708)
UK/Europe Adaptor Ref. 45589 (U23*709)