OEM‑compatible Holder (3128078438) for FlexiROC D65, Boomer M2D, Boomer T1D, Boomer XE3C, Boomer 291, Boomer 281, Simba S7D, Boltec 235, Boltec MC, Boomer L2D, Boomer S2, Boomer 282, Boomer MD, Boomer M2C, PowerRoc D55, ROC D7, ROC D9, ROC L6, ROC L8, ROC PRT50, and Boomer S1D underground drilling equipment. Made from hardened steel, this aftermarket spare part is part of the rotation head assembly, ensuring durable and reliable operation in mining and tunneling applications. Its robust construction extends service life and enhances equipment performance in demanding underground environments.