Features: Enhances with our 45mm Base Pad Block, a vital accessory for any astronomy minimize vibrations and maintain the accuracy of their guiding telescope. The meticulously crafted base pad block stands at 45mm, offering stability of your telescope during extensive observations. Suitable for amateur astronomers, astrophotographers, and anyone passionate about capturing the beauty. Whether you're set up in outdoor viewing area, or atop a remote hill, this base pad ensures a steady platform for all your astronomical endeavors. Constructed from aluminum, this base pad block promises resistance to deformation, making it indispensable tool for night photography, star charting, and scientific research. Specifications: Component:Aluminium Color:Redness/Black Size:Approx.45x31x16mm/1.77x1.22x0.63inch Package Includes: 1 Set Dovetail Rail Plate note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.