Dovetail mounting base clamp for astronomical telescope equatorial mounts. Made from high quality aluminum alloy. Dimensions: 102 x 49 x 30 mm. Weight: 300 g. Reinforced double bolts for secure installation. Quick-release functionality: Dovetail groove design enables fast, tool-free removal and installation of your telescope gear. This time-saving feature benefits both beginners and experienced astronomers during field setups and adjustments. Multifunctional mounting points: Side features multiple screw holes for versatile configuration options. Compatible with finder scopes and other telescope accessories to enhance viewing possibilities. Stable construction: High quality aluminum alloy provides exceptional stability for valuable optical equipment. The reddish-silver finish looks professional and helps identify mounting components in low light. Use scenarios: field deployment with small to mid-size refractors or reflectors on a dovetail clamp; quick swapping of finder scopes and accessories on the mount; on-site reconfiguration and setup in dark observing environments.