Jackson's : Alu Pro : 35mm Extender : Single : 10cm Length

Alu-Pro Extenders Can Be Used To Connect Two Stretcher Bars. This Will Allow You To Stretch And Support Very Large Canvases. They Look Like A Section Of A Stretcher Bar, But Have Two Connecting Strips – Small Lengths Of Metal Which Sit Inside The Groove On The Inner Side Of The Aluminium Frame. These Are Used To Secure The Extender To The Stretcher Bars On Either Side. Simply Slide The Extender Between The Two Stretcher Bars You Wish To Connect, Then Put The Connecting Strip Over The Join And Tighten With An Allen Key, Making Sure Two Nuts Lie On Either Side Of The Connection. Please Note, You Will Need A 4mm Allen Key To Use This Product. For More Information About Alu-Pro Products And A Series Of Assembly Tutorials, See The Alu-Pro Product Showcase On The Jackson's Blog. (https://www.jacksonsart.com/blog/2016/09/09/alu-pro-canvas-stretcher-bars-crossbars-tutorial/)