What's in the box:

Passive Piezo Pickup Instrument Transducer Combine with Tail Nail for Morin khuur Ukulele Kalimba Erhu (Standard)

Features:
Made of high quality metal, it picks up the vibration well.
It combines pickup parts and tail nail, compact and exquisite.
Installation is very simple, just need to drill a 12mm hole in the instrument to complete the installation.
The passive pickup is easy to carry and suitable for a variety of small musical instruments.

Specifications:
Material: Metal
Item Size: 5.2 * 2.8 * 2.8cm/ 2.0 * 1.1 * 1.1in
Item Weight: 30g/ 1.1oz
Package Size: 10 * 8 * 3cm/ 3.9 * 3.1 * 1.2oz
Package Weight: 55g/ 1.9oz

Package list:
1 * Pickup
3 * Screw