Epiroc Holder 3128078439 is a heavy-duty positioning component designed to secure and support related assemblies within Epiroc rock drilling systems. It helps maintain correct alignment, improves stability under vibration, and reduces the risk of unwanted movement during continuous drilling cycles. Manufactured from high-strength, wear-resistant material, the 3128 0784 39 holder provides reliable fitment and long service life in mining, quarry, and tunneling environments. This spare part is currently in stock and available for immediate supply from ONSAMAK.