Description: 6Pcs Guitar Tuning Pegs Keys Tuners Machine Heads Replacement Buttons Knobs Handle Cap High quality machine heads knob Made of plastic, lightweight and durable Replace your old and dirty tuning pegs and great for guitar tuning Material: Plastic Size Chart: Size(L x W): Approx. 2 x 1.5cm/ 0.78 x 0.59inch Package Includes: 6 Pieces Guitar Tuning Pegs Knobs Handle