1,NON SKID GEAR: Made of excellent metal, with heavy duty internal gear, which can effectively prevent the screw from sliding 2,STABLE AND RUGGED: Helps provide better tuning and greater stability, easy to install and durable, very practical 3,PERFECT REPLACEMENT: Exquisite workmanship, an ideal replacement for guitar tuning keys, and a good partner on your learning journey 4,STURDY METAL: Using excellent metal and plastic material, shiny, sturdy and durable, possess high mechanical strength, not easy to age 5,WITH FITTINGS: Equipped with screws, studs, gaskets, easy for you to install and use, complete accessories guarantees convenient operation 6 x Guitar Tuning Keys6 x Stud6 x Gasket6 x Screw Item Type: Guitar String TunersMaterial: Metal and plasticColor: Gold Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.