Jackson's : Alu Pro : Support Connector

An Alu-Pro Support Connector For Reinforcing A Join Between A Primary Crossbar And A Stretcher Bar. You Will Need Between Two And Four Support Connectors To Support A Single Crossbar. 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/)