Introducing the High-Quality Replacement Knuckle Joint designed specifically for the 1/2 Inch Square Drive Breaker Bar Model ys01781. This durable knuckle joint is essential for maintaining the functionality of your breaker bar, ensuring it operates smoothly and efficiently during heavy-duty tasks. **Overview:** The knuckle joint is compatible with the Model No. 1 1/2 Inch Square Drive Breaker Bar, making it a perfect fit for your tool collection. This component is crafted to withstand the rigors of both professional and DIY applications, providing you with reliability and performance. **Features:** - Perfectly designed for Model No. 1 1/2 Inch Square Drive Breaker Bar - Lightweight design with a net weight of only 0.06kg - Easy installation for quick tool upgrades **Specifications:** - Application(s): AK7301 - Drive: 1/2 Inch Square At our online store, we pride ourselves on offering a vast selection of tools and workshop equipment tailored for both DIY enthusiasts and professionals. With over 10,000 products available, we cater to every job, big or small. If you need assistance finding the right tool for your needs, don't hesitate to reach out to our friendly customer service team. We're here to help you find exactly what you're looking for!