SeaKing Stores › 3mm mini rope spool - EACH 3mm mini rope spool - EACH £8.00 3mm Kingfisher mini rope spool. Sold as ONE spool; choose from available colours. Confirm supplied length on its label. Add To Cart Added! 3mm Kingfisher mini rope spool. Sold as ONE spool; choose from available colours. Confirm supplied length on its label.