This is a starter kit for the OTCA7149 ball joint connected adapter. This kit includes a ball joint connected adapter, a set of instructions, and a Phillips screwdriver. This adapter allows you to replace a ball joint on your car without having to remove the entire wheel. This is a starter kit for the OTCA7149 ball joint connected adapter. This kit includes a ball joint connected adapter, a set of instructions, and a Phillips screwdriver. This adapter allows you to replace a ball joint on your car without having to remove the entire wheel.