Features:
Suitable for many kinds of acoustic instruments, such as guitar, ukulele, mandolin, banjo, etc.
Audio jack can replace the tail nail and install the strap.
Easy to install and can transmit good sound quality.
With 3 transducers, stick it onto the instrument, minimizing the damage to instrument body.
It is able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects.

Specifications:
Color: Black
Material:Metal ,rubber and plastic
Size:Diameter of cable into the hole 6.35mm cable length 78cm pickup
Diameter:3cm
Fit for:Guitar, ukulele, violin, etc.
SKU: GT0908-145
  
Package List:
1*NM-3B Guitar piezo

Installation instruction:
1.Take the plastic film down from the back of transducer to expose the adhesive.
2.Place the transducer through the sound hole to the lower part of the front body where the guitar produces the best tonal response.
3.Drill a hole from inside the body, loosen the end-pin jack nut, insert it to the hole and tighten the nut.
Above the procedures for referring depends on different instrument.