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Hardware

Tuning Keys
The headstock of the Gibson USA Joan Jett Blackheart is equipped with Mini Grover tuners with chrome buttons and an efficient 14:1 gear ratio. These tuners were a popular upgrade on several classic electric guitars of the ’60s and ’70s. Tuning Keys
Trussrod Cover
As with most Gibson guitars, the truss rod cover on the Gibson USA Joan Jett Blackheart is made from black and white vinyl plastic and shaped like an antique bell. On this model, the truss-rod cover is engraved with Joan Jett’s signature. Trussrod Cover
Strap Buttons
The Gibson USA Joan Jett Blackheart’s aluminum strap buttons are the same style and design that Gibson has used since the early 1950s. Strap Buttons
Pickguard
The Jett Blackheart has a traditional Melody Maker-style single-ply black pickguard.  
Bridge
In 1954, Gibson revolutionized guitar hardware when it debuted the Tune-o-matic bridge, setting a standard for simplicity and functionality that has never been bettered. Included on the Gibson USA Joan Jett Blackheart, the tune-o-matic provides a firm seating for the strings, allowing the player to adjust and fine-tune the intonation and string height in a matter of minutes. It also yields excellent coupling between strings and body, maximizing resonance, tone, and sustain. This bridge is made from Zamak then plated with chrome. Bridge
Tailpiece
Every Tune-o-matic bridge is combined with a separate “stopbar” tailpiece, which is essentially a modified version of the earlier wraparound bridge that’s designed to further enhance the connection between the strings and the body. The Gibson USA Joan Jett Blackheart’s stopbar tailpiece is made from Zamak then plated with chrome. Tailpiece
Control Knobs
The control knobs on the Gibson USA Joan Jett Blackheart are Gibson’s black witch-hat knobs with silver inserts, found on many vintage and modern Gibson guitars. Control Knobs
Strings
The Gibson USA Joan Jett Blackheart is fitted with genuine Gibson strings, sizes .010 - .046.