Graph Tech 6-In-Line Ratio Electric Guitar Machine Heads - Chrome

The PRN-2721 and PRN-2731 are right-handed sets of RATIO® Calibrated Machine Heads for electric guitar that use 6-in-line tuners. It has a two pin casing that can be used as is, or with the patented InvisoMatch Mounting Plates.

4 different sets of InvisoMatch mounting plates in brushed aluminium are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.

Specifications
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: 0.890" (22.6mm)
Weight per single machine head: 0.066 lbs (30g)
Weight per set of six: 0.393 lbs (179g)
String diameter up to 72 gauge
Includes 6 machine heads, mounting screws and bushings
Includes complimentary 4 sets of aluminium mounting plates