Small Ball Cap Remover & Turnbuckle Wrench (3mm/4mm) [Arrowmax] AM-190028
This is probably the most popular tool at the track!
This is the Arrowmax Small Ball Cap Remover & Turnbuckle Wrench. This wrench is a great option for cars with 3mm or 4mm size links. Plus, the wedged tip on the other side makes it easy to pop off your ball cups without doing any damage. Made from high-quality spring steel, the tool is lightweight and strong, and the compact size makes storage easy.
This tool incorporates the most useful sizes for turnbuckle adjustment, shock remove and the tapered end lets you remove a ball cup with ease.