Through-hole LEDs have two leads that extend below the LED epoxy enclosure. These leads allow the LED to pass through the holes on a circuit board and can be fixed into place through soldering underneath the board. The Lumex 1-Watt Through-Hole SuperBeamLED Thru-Hole LED offers state-of-the-art, high brightness chip technology and is available in a variety of colors and lens finishes. It is ideal for Illuminating signs/artwork, decorative lighting and backlight illumination.