Bass tuner machine heads for 4-string electric guitar with silver knobsFeatures: This bass turner suitable for the open bass tuning keys fit for most 4 string electric bass, very precise, responsive tuning, smooth gearing and stays put, provide finer tuning and greater stability.<br> 4 strings are metal inner core, nickel-plated alloy, automatic winding, better increase the brightness, sustain and intensity of the tone. Great for 4 string bass right hand and left hand.<br> Gear: (19mm). Fits on 4 string bass, electric bass.<br> The electric bass knobs crafted from metal, unique plum-blossom shaped button, beautiful designed outlook, convenient to rotate and adjust, and the stability is higher.<br> Package includes opened gear bass tuner peg. Good replacement for most bass and guitar.<br> Specifications: Material: Metal<br> Color: Black; Silver<br> Type: Left; Right<br> Size: As Picture Shown<br> Weight: Approximately. 95g<br> Package Includes: 1 Piece Bass Tuning Peg<br> note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid.<br> Due to difference between different monitors, the picture may not reflect the actual color of the item.