Ebony Violin Bridge Pin and Endpin Jack Compact, practical replacement part designed for acoustic violins, including instruments with builtin pickups. This long, threaded cylindrical socket serves as a tail pin and endpin jack, combining a secure mechanical connection with stable pickup coupling. Key benefits Restores and secures endpin and pickup connections when replacing worn or broken parts. Solid ebony construction for durability and stable seating in the tailpiece socket. Design supports good vibration transfer and sensitive pickup response, helping preserve tonal character. Small, lightweight, and portable for easy storage in a pocket or instrument case. Simple to install for assembly, maintenance, or of acoustic violin hardware. Important attributes Material: ebony wood. Form factor: long threaded cylindrical socket suitable as a tail nail and endpin jack. Function: replacement bridge pin and endpin jack for acoustic violins with builtin pickups; used for assembling or replacing existing components. Size and weight: compact and lightweight for easy transport and use as a spare. Typical use scenarios and maintenance: a worn or damaged bridge pin or endpin jack to restore secure attachment of the tailpiece and pickup hardware. Pickup installation or servicing: install or the endpin jack used with an instrument pickup to maintain consistent signal coupling. Travel and performance backup: carry as a lightweight spare in a case or pocket to address hardware issues quickly during rehearsals, lessons, or performances. This ebony bridge pin provides a straightforward, reliable replacement option for acoustic violin tail hardware and pickup endpin needs.