Metal Lug Cap are made up of tin, aluminum and other metals. These moto metal rims are available in a diameter of 56mm, 70mm, 80mm and it is available in gold, blue, white, red and other colors. Its storage capacity is nearly 212ml, 326ml. The lug nut covers are widely used in pickles jars, iam jars and other containers where air tight lock is given utmost importance.