100 meter spool for outfitters and big jobs. 4mm Deck line is commonly used for deck lines on the sides of a kayak and assorted kayak rigging. (This is not bungee shock cord.) Approximately 3/16 inch diameter, solid core braided. Same part as part number 9800468, aka K4ROPE3.

100 meter spool of 4mm accessory cord. Made by Sterling Rope Co. of Maine.