Welcome to our store！</br>1、Product Information: Stand holder fixed base mounting thread is 27mm/1.06in, and used for stereo trinocular microscope. 2、Characteristics: Perfect microscope accessories, cylindrical design, exquisite workmanship, with excellent durability and stability. 3、Reliable Material: Base is made of high strength aluminum alloy material, which is firm, precise, safe and durable, not easy to break. 4、Advantages: The inner precision thread is easy for your daily use, compact structure and the kit includes the necessary tools. 5、Professional Manufacturing: This base meets strict production quality standards, stable performance, high reliability, high accuracy. <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Microscope&nbsp;Stand&nbsp;Holder&nbsp;Fixed&nbsp;Base Material: Aluminum&nbsp;alloy Mounting Thread: Approx: 27mm/1.06in <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> 1 x Base3 x Screw&nbsp; 3 x Gasket 1 x Hex&nbsp;Wrench&nbsp; 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>