10M Waterproof Extension Cable for G40 Clear Outdoor Garden Globe String Lights, IP65 Water Resistance UK Plug Extension Lead for G40 Bulb String Light (Check The Connector Before Order) - Black :
AVANLO 3M Extension Cable for G40 (E12) LED String Lights Festoon Lights, Outdoor Garden String Lights Extension Cord Waterproof Extension Lead for G40 Bulb Garden String Light: Amazon.co.uk: Lighting
2 Pin 10M String Light Extension Lead
2×Fairy Light Extension Cable for G40 String Light,Indoor Outdoor Extension Lead | eBay