This is a mount for the Raspberry Pi 3/4 using the sturdier metal DIN mount. Metal "SSR" DIN Rail Clips (35mm) can be found here: * [Mechporium](https://mechporium.co.uk/products/ssr-din-rail-clip-35mm) * [Fermio](https://fermio.xyz/en/electronics/solid-state-relays/286/ssr-din-rail-mounting-adapter) * [AliExpress](https://s.click.aliexpress.com/e/_AXfvJ5) * [AliExpress Alternative](https://s.click.aliexpress.com/e/_ACKGRh)