Easy-Up® Pinless Track Jump CupsThese pinless track jump cups are designed with a pinless track system, making height adjustment quicker and easier than ever. No more jump pins to lose; simply place these jump cups into the slot for your desired height, even with just one hand. Makes height adjustment easier and quicker on your jump standards No pins to lose with pinless cup design Lightweight and durable design Can only be used with the pinless track systems Works with the Easy Up