250-441 CA Quick Change Tool Post Holder #41 Heavy Duty Boring Bar CNC. Upgrade your lathe's performance with this premium aftermarket 250-441 CA Quick Change Tool Post Holder. Engineered for heavy-duty boring operations, this #41 holder provides exceptional rigidity and precision for your CNC or manual machining projects. This high-quality aftermarket part is designed to deliver reliable results at a fraction of the cost of OEM components. Heavy-duty construction ensures maximum rigidity and vibration reduction during intense boring tasks. Quick-change design allows for rapid tool ...