Pn# - SID3/16-16 - 3/16 -304 Stainless Steel Brake Line spring wrap - 16 foot. This is the spring material that goes over the line as an armor shield protect. Most cars and trucks had it in critical rub areas and on axle lines. It was used to protect the brake line from other lines and damage from ground cover. Jeeps have it on every line and corvettes have it only on the axle lines. Cut to length with side cutting pliers This is 304 stainless so it will never rust again. When replacing you lines don't forget the springwrap. These are exact to the factory originals and have all the details - they are the correct size and shape with the correct color.