This listing is for a set of 12 (a dozen) brand new Cast Iron Piston Rings with beveled edges. Measurements: 1 1/2 inch in diameter x 3/32 inches (1.500" x .09375) Please add $3.50 for U.S. Shipping only!!! Please add an additional $3.50 for international shipping. ALL SALES ARE FINAL!!!  For more piston ring sets, please see my other listings under mr.z7