Sail Fastener With Blue/Orange Toggles Size - 4MM X 300MM Cord Diameter - 4MM Overall Length - 342MM Unstretched Effective Working Length - 300MM Ball Diameter - 27MM These Sail Fasteners Are Primarily Used To Secure The Sail Into Position When Not In Use, As Well As Other Tie Back Applications. These Are Hugely Popular In The Marine & Boating Industries Due To Their Versatility. Please Note We Stock A Huge Variety Of Marine Equipment And Supplies. *** FREE DELIVERY *** Product Code - SFSM8240430