SGS510Z Magnum Lock 6 in Line Traditional Locking Tuning Machines 18:1 Ratio Option:Black These bridges &tails are the

These bridges &tails are the finest quality OEM components and lock in solid creating perfect intonation and singing sustain

Kluson has incorporated the user-friendly locking system that is located on the back of the tuner housing utilizing a knob for simple twist-to-lock or release

73mm centre to centre of pickup mounting holes

It is not made from aluminium / metal

This pickup attached to the underside of pickguard

SGS510Z Magnum Lock 6 in Line Traditional Locking Tuning Machines 18:1 Ratio Option:Black These bridges &tails are theGotoh's high end 510 Series 6 in line machine heads with sleek S5 mini buttons, 18: 1 gear ratio, lubri plate coated internal gearing and rock solid posts for unparalleled tuning stability and smooth operation. This stability is further improved upon with Gotoh's traditional locking posts simply turn the wheel at the back of the tuner to clamp the string into place, effectively locking it in position to eradicate string slipping and tuning issues.