Welcome to our store！</br> 1、Compatibility: The arrows lighted nocks is suitable for the shaft with an inner diameter of 6.2mm, which can meet the needs of people 2、Plastic Material: The shell is made of hard plastic material, strong and durable, hard texture, not easy to damage, long service life 3、Simple Operation: The arrows lighted nocks are simple, easy to understand, without the aid of tools, clamping shaft can be used 4、Automatic Lighting: The tail of the luminous arrow can be automatically lit and manually closed. The light is stable and the LED lamp has a long service life 5、Excellent Accessory: The arrows lighted nocks can help us see the path of the arrow clearly at night, so that we can quickly locate, is a practical accessory <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Lighted Nocks for Arrows Product Material: PE Weight: Approx. 19g / 0.7oz Length: 4.5cm / 1.8in Battery: Built In Button Battery Model Number: SR416SW Capacity: 8mah <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 3 x Lighted Nocks for Arrows Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>