String Instrument Accessories -Guitar Tuning Machines Guitar Tuners Highlights Generic Brand Guitar Tuning Machines Guitar Tuners Description: The guitar tuning knob cap has a skull shape, fashion and creativity. Exquisite and suitable for the tuning pegs of your folk or electric guitar. The guitar tuning knob cap can protect your tuning knob. Quality sealed tuners, robust internal equipment. Polished and beautiful appearance, universal guitar tuning cleat knobs. Specification: Material: Metal Size Chart: Head Diameter: Approx.16.5mm/0.65inch Package Include: 6 x R Guitar Heads 6 x Ferrules 6 x Screws 6 x Threaded Bushing Note: Due to the light and due to monitor setting, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.