This black, pullout utility drawer has a lock feature and is for use with Rubbermaid Cart Models 4091 (Wasserstrom # 106431,106427), 4092 (Wasserstrom # 106428), 4093 (Wasserstrom # 658797,106429), 4094 (Wasserstrom # 104641), 4095 (Wasserstrom # 107772), 4096 (Wasserstrom # 104679), 6189 (Wasserstrom # 107648),6190 (Wasserstrom # 106910),6191 (Wasserstrom # 107601),6192, 9T19 (Wasserstrom # 6027882), 9T33 (Wasserstrom # 107553), 9T34 and 9T35.