Diamond tire chains pattern insures a comfortable drive with less vibration and noise Even lower Profile(9mm projection). Especially good for today s down-sized cars. They can be used for modern vehicles with very limited clearance. Maximum traction with minmal brake distance and skidding. The small square links and the short length of each cross chain minmizes wear and breakage. Easily operated chain tensioning system. Fitted in minutes, without the need to jack up, or move the car. Unique "D"type square link design, gaining excellent traction. Flexible steel cable covered with plastic sheath. Thermal treated electro-galvanised chains. Elegant and strong plastic case, saft sna convenient, spacesaving. Comes complete with installation instructions, repair links 1 pair/case.