ɹˈeɪndʒ bˈɔːlz, æz ðeɪ ɑːɹ nˈoʊn, ɑːɹ ˈɔfən tʃˈiːp ænd spˈɛʃəli dɪzˈaɪnd wɪð ɐ hˈɑːɹdɚ kˈʌvɚ tə mˌeɪk ðˌɛm mˈoːɹ dˈʊɹɹəbəl.
Range balls, as they are known, are often cheap and specially designed with a harder cover to make them more durable.