Sealed Beam: Sealed6 (5.75in Round)Just when you think: You've done your research and come across every last option in the 5. 75 round sealed Beam LED market, these should catch your attention. While it's true there's only so many ways you can package a set of low and high beam LED based optics into a small round headlight; Morimoto's Sealed6 pulls it off in the most functional and elegant setup possible. Proprietary: The Morimoto Sealed6 is all new, all original from the ground up.