GraphTech RATIO Staggered Electric Locking 7-in-Line Mini Contemporary Machine Heads ~ Black
The PRL-9721-LB7 and PRL-9721-Lx7 are the left-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars with 7-in-line tuners with staggered posts (eliminates the need for a string tree).
It has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [opens in new tab].
4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.
Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 13/32" (10mm)
String post diameter: 0.236" (6mm)
String post length to string hole: 0.827” (21mm) - 0.787" (20mm) - 0.748" (19mm)
Weight per single machine head: 0.083lbs (38g)
Weight per set of seven: 0.581lbs (266g)
String diameter up to 72 gauge
Includes 7 machine heads, mounting screws, and bushings
Includes complimentary 4 sets of aluminum mounting plates