- 18:1 tuning ratio, Open-Gear tuning machines
- Industrial Knurled Buttons
- 4x3 Set (4 bass side, 3 treble side - L4+R3)
- 13/32" [10mm] headstock holes required
- 7-string sets does not come with UMP plates
- Grip-Locking option uses a pin and thumb wheel system to clamp onto your string, no wraps needed
- Includes threaded bushings, spacers and screws