That's a nice set but not currently available from Amazon in the UK - but they do have something similar: https://www.amazon.co.uk/SOMELINE%C2%AE-Connector-0-25-2-5mm%C2%B2-Non-Insulated-Terminals/dp/B0BZ49GH6D/ref=asc_df_B0BZ49GH6D.

Dave
Blue 4/4 1969, Green +4 1953, (different) Green +8 1977