2 Pack: UNIRAC 302050D Universal AF End Clamp.  The T-bolt style mounting attaches to several rales including IronRidge.  Fits module sizes from 30 to 46mm in thickness.  Purchase price is for 2 end clamps.  Each order comes with 2 end clamps per order.  Order as many as you need for your system.   

This UNIRAC 302050D Universal AF End Clamp in a Dark Finish is a high-quality accessory for your solar power system. Designed for durability and ease of use, these end clamps are compatible with a wide range of solar panel brands and models. They provide a secure and stable grip on the edge of the solar panel, helping to ensure that it stays in place and generates maximum energy output. Ideal for both residential and commercial applications, these end clamps are made from high-quality materials that are built to last. Whether you are installing a new solar power system or upgrading your existing one, these UNIRAC end clamps are an essential component that will help you get the most out of your investment.