This pack of 12 official Fender Standard Series Bass Bridge Saddle Height Screws have 6-32 imperial thread used on American Special and Standard series basses. These will also fit Fender three saddle ashtray Telecaster bridges with the two string per barrel saddle style saddles as these most often use this larger 6-32 imperial thread. They are nickel plated and are all 7/16" long (11.1 mm or 0.44").