Worth Launch 510(made in USA) came out in 2007 and was a very hot bat, but not very durable. It is not a UII with a different paint job, it is a Worth with the mayhem technology. The Launch was re-issued a couple of years ago and is still a favorite of some on the senior circuit. The maroon Launch(made in China) came out in 2008 and was much more durable, but took a long time to get hot. We have 3 gold launches and 2 maroon launches on our senior team.