Features: <br>Made of high quality copper, sturdy and durable, ensure a long time use. <br>The end pin jack is used for build-in pickup of acoustic guitar, ukulele, banjo, mandolin and other instruments, for assembling and replacement. <br>The outer diameter of the mounting place is about 1.2cm, and the outer diameter of the widest place is 1.6cm. It is suitable for the opening hole with a diameter of 1.3-1.4cm. <br>There is a cushion rubber pad in the installation place to avoid the impact between the jack and the instrument. <br>Mono version, great end pin jack, suitable for musical lovers. <br> <br>Specifications: <br>Condition: <br>Material: Copper <br>Weight: Approx. 18g / 0.6oz <br>Size: Approx. 6 * 1.6 * 1.6cm / 2.4 * 0.6 * 0.6in <br>Socket Internal Diameter: Approx. 6.35mm <br>Optional Color: Silver, Gun Black <br> <br>Package list: <br>1 * End Pin Jack <br>1、Made of high quality copper, sturdy and durable, ensure a long time use. <br>2、The end pin jack is used for build-in pickup of acoustic guitar, ukulele, banjo, mandolin and other instruments, for assembling and replacement. <br>3、The outer diameter of the mounting place is about 1.2cm, and the outer diameter of the widest place is 1.6cm. It is suitable for the opening hole with a diameter of 1.3-1.4cm. <br>4、There is a cushion rubber pad in the installation place to avoid the impact between the jack and the instrument. <br>5、Mono version, great end pin jack, suitable for musical lovers.