These are the new Sperzel Trimlok EZ-Mount tuners, no need to drill your headstock! Pink, 7 String and non graduated. Can be configured as 7 inline, 7 inline left/reverse, 4x3, 3x4, 5x2, 2x5, 6x1 or 1x6.
The new Sperzel EZ-Mount system uses two tiny spurs instead of the traditional Trimlok pin or the screws needed on other tuners. No need to drill your headstock, just loose fit the tuners, line them up and tighten the nuts. This is a proper, factory 7 sting set, the 7th tuner has a larger bore for the larger diameter 7th string.
Important: Uses standard peg head holes, and is suitable for 7 string headstocks - you should have a 10mm/13/32" peghead hole (most guitars have this), and your headstock needs to be less than 15mm/0.590" thick (most are)
The EZ-Mount Sperzel 7 string set is the first no-drilling solution for all you 7 string players. Upgrade to Sperzel Locking tuners quickly and easily.