Orion 5052 Dovetail L-Bracket for VersaGo Telescope Mount Versatile L-shaped dovetail bracket provides a horizontal mounting platform when used with vertical-arm altazimuth mounts Equipped with a 1/4"-20 threaded post which can be moved along the slotted aluminum bottom plate for optimal positioning of the securely attached telescope or instrument Ideal for horizontal mounting of spotting scopes and small telescopes up to 6" in aperture and binoculars up to 100mm Bolt stop at top of dovetail base prevents bracket from accidentally slipping out of saddle Dovetail base locks securely in the VersaGo and VersaGo II mount's dovetail saddle