Don't let a short shaft limit the rims you can service! This high-quality, extended length 40mm balancer shaft is the perfect solution for older John Bean and FMC wheel balancers that need to accommodate wider modern rims. A direct and easy replacement for your original shaft, this upgrade allows you to continue using your existing 40mm cones and wing nuts, saving you time and money. Say goodbye to limitations and expand the versatility of your wheel balancing equipment.