Graph Tech PRL-9721-LC0 Ratio Electric Guitar Locking Machine Heads (Chrome)

The PRL-9721 and PRL-9731 are right-handed sets of Locking RATIO calibrated tuners for electric guitars that use 6-in-line tuners with offset posts (eliminates the need for a string tree). It features a two-pin housing that can be used as is or with our patented InvisoMatch mounting plates [opens in a new tab]. 4 different sets of brushed aluminum InvisoMatch mounting plates are included to make installation on most guitars quick and precise using your existing screw mounting holes.

Specifications

• Gear ratio: unique for each string position – one tone of one turn
• Required dowel hole diameter: 13/32″ (10 mm)
• Rope Post Diameter: 0.236″ (6mm)
• Length from rope post to rope hole: 0.827″ (21 mm) – 0.787″ (20 mm) – 0.748″ (19 mm)
• Weight per machine head: 0.083 lb (38 g)
• Weight per set of six: 0.496 lb (225 g)
• Rope diameter up to 72 gauge
• Includes 6 machine heads, mounting screws and bushings
• Includes 4 free sets of aluminum mounting plates