... .M, 680GR/S KEDER is a technical textile reinforcement products for the sides of tent cloths, sails, tarpaulins, canvas, awnings, ... )Diameter (Out side) : 6mm, 8mm, 10mm, 12mmKEDER is designed specially for use in tents, fabric structures, truck side signs, industrial curtains ... fabrics and high frequency welding technologies under stringent quality control management. Keder (For Tent Architecture)