Please not that this product showing as in stock means that it is available for despatch from our supplier – the lead time is approximately 3 working days

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