HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features: Fully Metal Construction And Anodizing Aluminum Process Durable For Long Time Use.Use This Extension Tube For Getting The Correct Image Scale Or The Exact Spacing Required For Reducers Or Field Flatteners.The Extension Tube Has A T2 Interior Thread And A T2 Exterior Thread For Solving Spacing Problems In Astrophotography And Eliminates A Range Of Focusing Problems.Type: Astronomical T2 Thread Extension Tube Male Thread: M48*0.75MmFemale Thread: M48*0.75Mm7.Link Or Extend Tube Length Of The M48*0.75 Products8.Color: Black9.Net Weight: 1.00Oz/ 28.3G10.Variable Extension24-35Mm You Will Receive: 1 X Sv109 24-35Mm M48 Variable Extension Tube