Roman/roller/vertical Blind Plastic Chain Joiner Clip - Etsy UK
Ball Chain Connectors for Blinds, 12PCS 4.5mm Roller Blind Chain Connectors, Roman Vertical Blind Spare Parts Metal Ball Chain Cord Connectors fits Curtain Roller, Roman and Vertical Blinds Chains : Amazon.co.uk: Home
30 Pack Replacement Vertical Roman Roller Blind Ball Chain Cord Connector Clips (Transparent) : Amazon.co.uk: Home & Kitchen