The 'I' connector is for use with the Firstlight Single Circuit Max Track for kitchens.It is used to connect two pieces of track together end to end without a noticeable join.
Firstlight Max 1-Metre Single Circuit Track in White
Firstlight Max T-Connector Single Circuit Track in White
Firstlight Max 4-Light Flush Light Bar Spotlight Modern Style in White
Firstlight Max Wall Spotlight with On/Off Switch in White
Firstlight Max Wall Spotlight with On/Off Switch Modern Style in White
Firstlight Max 4-Light Flush Light Bar Spotlight in White
