Tuning Machine Conversion Bushings - will fit GOTOH SD90/91 MG (not MG-T) tuning machines** Nickel plated brass For tuning machines with 6mm diameter posts and headstocks with 10mm holes Actual dimensions - 10mm OD and 6.15mm ID Kluson # MB65G Set of 6 **For SD90/SD91 MG tuning machines only.  These will not fit SD90/SD91 MG-T Magnum Lock Traditional thumbwheel style tuning machines.

**For SD90/SD91 MG tuning machines only.  These will not fit SD90/SD91 MG-T Magnum Lock Traditional thumbwheel style tuning machines.