ive had em on my car for over a year..... 30 % my ass if you put Phillips globes in yer but its not the insert its the globe .... i just wanted the ring as a parker do i didnt have to use the 5w globe ,cause the holder sticks out the back and dont fit into my head lamp buckets..... there alright but the glass is cheap...broke now 3.. hair line crack ... you pay Chinese you get Chinese!!!!!