The Vixen Universal Dovetail Tube Plate slips into any mount with a dovetail attachment. Use this accessory to attach your telescope with Vixen Tube Rings or third party rings with 1/4″ -20 tpi (threads per inch) threaded holes. Other devices such as a camera can also be attached. This plate is standard for many mounts and optical tubes. Two, 1/4″-20 tpi bolts included. 

• Approximately 19cm X 4.5cm (7.5″ X 1.7″)
• Furthest holes are 16cm (6.3″) apart and center holes are 3.56cm (1.4″) apart
• All holes pass 1/4″-20tpi (threads per inch) bolts and are smooth, non-threaded
• Includes Two, 1/4″-20tpi bolts