Fits Small Chuckit! balls. A terrific way to exercise your dog without wearing yourself out is with the Chuckit!® Sport Launcher! Throw balls 2 to 3 times farther with this Ball Launcher. Hands-free pickup - no more slobbery balls. Ergonomic rubber handle for the ultimate comfort and control. Made from durable lightweight flexible plastic. Comes in a variety of throwing ranges and ball sizes. Use with standard tennis balls or Chuckit!® Compatible balls only. Each Launcher comes with a small Chuckit! Tennis Ball. Made in the USA.