The Curtis Industries SEFX-4 is a miniature feed-thru terminal block ideal for applications demanding a compact and versatile solution. Constructed with high-impact, break-resistant thermoplastic molding, it incorporates integrally mounted .116" diameter mounting holes and offers flexibility with external terminals available in two No. 2-56 screw designs. Internal terminals include a .047" diameter printed circuit pin and turret-type solder pins. Recognized under UL standards, the SEFX-4 is suitable for both factory and field wiring, making it a reliable choice for a wide range of industrial applications.