RAM MOUNTS Drink Cup Holder w/1" Ball 1" Rubber Ball "B" Size. High Strength Composite. Easily installed and positions to keep your favorite beverage within reach, this gem even comes with a RAM can insulator. The perfect accessory for any vehicle including motorcycles, ATV's, Big Rigs, and yes, even your prized riding lawn mower. Take a corner as hard as you like, this holder is ready to ride.