Features: 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. 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. Gear: (19mm). Fits on 4 string bass, electric bass. 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. Package includes opened gear bass tuner peg. Good replacement for most bass and guitar. Specifications: Material: Metal Color: Black Type: Left; Right Size: As Picture Shown Weight: Approximately. 95g Package Includes: 1 Piece Bass Tuning Peg note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item.