If you're looking for an OEM solution for your heavy-duty balancer with a 2" shaft, the Coats 143935 Large Budd Wheel Adapter is the perfect choice. It's designed to seamlessly integrate with models like 6401 and 6450, simplifying the balancing process for large Budd-style wheels. It's also durable and compatible with various heavy-duty balancer models, making it an essential tool for tire shops and maintenance facilities. With its OEM quality, it provides precise and efficient wheel balancing, elevating safety and performance for larger wheels.