Our Shock Cords are supplied in 6-12mm diameter as standard. Its core is made of first quality natural rubber of one (monoflex) or more (multiflex) strands, covered in a 24 plait polypropylene sheath. Also known as bungee cord, shock cord has great stretch and abrasion resistance. It has more practical applications than we could possibly list. With the addition of spiral hooks to the ends shock cord can be firmly secured to single or multiple points.