Gotoh SG301-01 MG-T Locking 3L/3R B, Set of Locking Machine Heads for Electric Guitar or Acoustic Guitar, Gotoh MG-T Traditional Locking System with a knurled thumb screw on the back of the machine head, Configuration: Three left / three right, Sealed design, Buttons: Large metal, Gear ratio: 1:18, Shaft length (to string hole): 20 mm, Mounting hole: 10 mm, Mounting: Screw(s) and hexagonal banjo bolts, Screw bracket angle: 90°, Finish: Black, Includes fixing screws, nuts and hexagon banjo bolts, Made in Japan