High Wing MOLD, a leading test tube rack manufacturer, today announced the launch of a new custom test tube rack designed for 100-place cluster tube rack applications. This plastic test tube rack offers a durable, stackable design manufactured via a precise test tube rack injection mold process. As a top plastic test tube rack manufacturer, High Wing MOLD uses HASCO-standard components and S136H mold steel to achieve a mold life exceeding 1,000,000+ shots.