Feature:1. Made of high quality aluminum alloy material, thus it has longer service life and more durable.2. Easy to install and operate, easy to use and more practical, it is very convenient for you.3. 1.25 inch Tmount adapter ring for astronomical telescope, quite professional, you can use it with ease.4. Light in weight and small in size, you can easily take it with you, and it will not take up much of your spaces.5. The adaptor is an essential accessory for anyone who uses a telescope, very important and practical.Specification:Condition: 100% Brand New Item Type: Astronomical Telescope Adapter RingMaterial: Aluminum AlloyColor: Black Connector Size: Approx. 0.965 in (24.5mm) outside diameterInterface Size: inner diameter Approx. 1.25 in(31.7mm).Package List:1 xAstronomical Telescope Adapter Ring