Screw Terminal, with DIN rail and Terminal Jumper included. This post includes three different geometries and a summary PDF. It took much research to see which brands and part numbe are equivalent. For enginee, use this included data to find the most affordable matching part to actually purchase. Then, choose the CAD model that is most suitable. This post should help you compare fitment in your desig. In SCUTTLE Robot and in OpenLab Project, we have sourced the DINKLE DK2.5N model. Dinkle is probably the leading brand for this is an open source effort to help enginee build as a community; please comment your thoughts!