A reflective tracer braided into the sheath of this 2.75 mm standard accessory cord from Sterling makes it vibrant when light hits it, making it ideal for low light conditions. Reflective, general-purpose, utility cord. Great for tents, zipper pulls, shoe laces, backpacks, and marking trails. Sold by the foot. Do NOT use to support a climber's weight 846604015664 20171300012 2.75