The Nora Lighting Iolite 4 Inch Regressed Cone Adjustable LED Trim makes it easy to switch from general to focal lighting with an adjustable recessed gimble and smooth functionality. Made from die-cast aluminum, the Iolite 4 Inch Regressed Cone Adjustable LED Trim allows users to change beam spreads without the use of tools. Dimmable with an ELV dimmer.