The clicgear ball clip allows you to easily store 3 balls from the accessory tabs on your clicgear cartthe clicgear ball clip accessory fits all clicgear model 10 model 20 model 30 model 35 plus and rovic carts it will also fit other brand name push carts with 1 tubing this product is supplied with x1 clicgear accessory tab mount for easy installationfits all carts