1、Excellent Zinc Alloy Material: This guitar locking tuner is made of excellent zinc alloy material, which is sleek and shiny, wear resistant, anticorrosive, dust proof, fast and accurate tuning. 2、Electroplated Finish: This guitar lock string tuner features an electroplated finish that is sleek and glossy for a vintage and stylish look that is very practical. 3、Heavy Duty Internal Gear: This locking tuning key peg comes with a heavy duty internal gear that is sturdy and convenient, easy to install and easy to replace old or dirty guitar tuning pegs. 4、Good Compatibility: This lock string sealed tuning key is well adapted and compatible with for LP, for SG, for EPI, for Tele style electric or acoustic guitars. 5、Wide Application: This locking guitar string tuning peg has a wide range of applications and can be used for practicing, performing and music recording, etc. Item Type: Guitar Locking Tuner Material: Zinc Alloy Uze: Compatible with for LP, for SG, for EPI, for Tele style electric or acoustic guitars. 6 x Guitar Locking Tuners 7 x Screws 6 x Threaded Bushings