Kluson? 6 On A Plate Deluxe Series Tuning MachinesKluson? plate-mounted 6-in-line tuning machine set with oval (butter bean-shaped) buttons and the improved 15:1 gear ratio for more stable and accurate tuning. The housing and button style are period correct for a variety of productuon dates. These feature the standard Kluson? string post. This set comes complete with 6 bass side machines mounted on a single plate with 29/32 in. post spacing, 8.8mm O.D. vintage bushings with 1/4 inch I.D. and mounting screws needed for installation.Use with left hand sets for 12 string applications or as a plate mounted set for a right-handed instrument.Please note these have a different post spacing than the 6 in line individual tuning machines common to Fender? electric guitars such as the Stratocaster? and Telecaster?.