Graph Tech PRL-8411-G0

Graph Tech PRL-8411-G0, Locking Machine Head Set For Steel-String Guitars, Right-handed set, Configuration: 3 Left, 3 right, Enclosed construction, Each machine head has its own ratio, calibrated for the respective string, A half turn of any machine head changes the tuning of the particular string by a semitone, Enables a faster, more accurate tuning of each string, Thumbscrew on the back to clamp the string in place, Ratios: E - 12:1 / B - 20:1 / G - 14:1 / D - 20:1 / A - 24:1 / E - 39:1 /, 2-Pin mounting, Contemporary knobs, Shaft diameter without the mounting sleeve: 6.0 mm, Mounting diameter with mounting sleeve: 9.8 mm, Weight per mechanism: approx. 37.75 g, Gold-plated, Incl. 4 sets of InvisoMatch standard mounting plates to use existing screw holes ...