The Ring (OEM Part No. 3128240100) is a durable wear part compatible with multiple Epiroc rock drills, including F9-11, S7D, ROC-D7-11, ROC-D9-11, and S7D-1 models. Made from hardened alloy steel, it is engineered for use within the rock drill rotation or feed system, specifically positioned in retaining or positioning grooves. The ring provides precise component alignment, secure retention, and protection against wear caused by rotational and feed movements. Its high-strength construction ensures long-lasting performance under heavy-duty drilling conditions, helping maintain mechanical integrity and consistent operational efficiency in underground mining and tunneling applications.