Illuminate your outdoor spaces in style with the 4lite Festoon Outdoor String Light E27 Screw Lamp Holders. The holders for E27 lamps are spread over the total length, 10 for the 10m version and 20 for the 20m version - 1m distance between lamps. Compatible with E27 LED Lamp (not included) Versatile built in hanging rings allows for multiple layout options. Outstanding durability with weather-proof materials for all year round use. 1m distance between lamps