This Keystone holder is designed to fit a single AAA battery and is perfect for any electronic or electrical project. Its through-hole mounting style makes it easy to install on a PCB, while its durable construction ensures that your battery will be held securely in place. This holder is made in the United States and comes in a bag packaging. It has 2 pins and is suitable for a range of equipment types, including those that require an AAA battery. At a great price for 3 pieces, Cat no 2466, this holder is a must-have for any DIY enthusiast or professional electrician.