Hipshot Grip-Lock tuner upgrade kit. 6-in-line locking tuners and UMP for quick installation. Thanks to this innovative system there's no need to drill extra holes in the guitar's headstock - both preserving the instrument and allowing for a very quick installation.
Hipshot's new closed (enclosed gear) Guitar Tuners posses the precision, craftsmanship and technology you have come to expect from Hipshot Products. 16:1 ratio, small footprint.