Description: 【Premium Material】Dovetail Slot Plate is made of aluminum alloy material, which is reliable in quality, sturdy and sturdy. 【Product Size】The size of the Dovetail Base is 15cmx10.2cm/5.91inchx4.02inch, which is compact and portable. It is an ideal accessory for your astronomical telescope. 【Multifunction】The Dovetail Saddle Clamp Mount Base adopts a double grooves and double bolt design, with two usage methods for you to choose, and flexible application. 【Suitable for Astronomy Enthusiasts】Dovetail Slot is specially used for astronomical telescopes, which can help you improve the telescope settings and make it more stable, allowing you to have a better observation experience. 【Dovetail Plate Dovetail Clamp】It is specially designed for professionals and astronomy enthusiasts. It is very practical and is a must have astronomical telescope accessory. Specification: Material: Aluminum alloy Size Chart: 15cmx10.2cm/5.91inchx4.02inch Package Includes: 1x Dovetail Slot Plate Note: Please allow slightly errors 1-2cm differences due to manual measurement.