This genuine McCormick 81299C1 shim is a critical component designed for precise adjustments in various International Harvester and McCormick agricultural machinery. With a confirmed thickness of 0.1 mm and a weight of 0.01 kg, this shim ensures proper spacing and alignment for optimal machine performance. It is compatible with a wide range of tractor models, including IH 354, 454, 574, 674, 784, 884, and McCormick 986, 1086, 1486, 1586, 3088, 5088 series, among others.