Everest offers sets of Rolex replacement spring bars for different Rolex models. The spring bars are custom made to the exact tolerance, size and quality that Rolex uses. The spring bars offer Rolex owners an affordable option for replacement spring bars. These spring bars are exact replacements for the vintage Rolex GMT Master (1675 & 1675), and other possible vintage Rolex watches. The spring bars measure 2.0mm thick by 20.0mm long. NOTE: THESE SPRING BARS ARE FOR WATCHES WITH HOLES IN THE SIDE OF THE CASE/LUGS.