Jackson's : Alu Pro : Corner Connector

An ALU-PRO Corner Connector For Joining Horizontal And Vertical Stretcher Bars At A 90° Angle. Please Note, You Will Need A 4mm Allen Key To Use This Corner Connector. You Will Need Four Corner Connectors For Each Canvas Frame. For More Information About Alu-Pro Products And A Series Of Assembly Tutorials, See the Alu-Pro Product Showcase On The Jackson's Blog.