This is a black openg gear Hipshot Xtender locking tuner (right handed) Hipshot Part 6GL1B
The Hipshot locking guitar Xtender allows you to flip your E to D (or as low as C!) with the flip of a lever! The E tuning is set with the traditional tuning button while the low postition is set with the small thumb screw on the tuner body. It can be purchased alone or as part of set for your convenience, and of course can be used with any of the wide array of Hipshot custom buttons.
Designed using the Hipshot Griplock locking open gear guitar tuner for a consistent look on your Hipshot equipped guitar.
The Locking Xtender can be used with or with out the Hipshot UMP system (not included).
For installation instructions, click here: http://hipshotproducts.com/files/all/gt_gb_m4_setup_and_instruction.pdf
Full manufacturer warranty and factory fresh.