These replacement 4" casters are compatible with the Nexel® Merchandiser Refrigerators (models 243005, 243006 & 243035), Nexel® Reach-in Refrigerators (models 243007 & 243008), Nexel® Reach-in Freezers (models 243009, 243010 & 243036), Nexel® Merchandiser Refrigerator (model 243037) and Nexel® Merchandiser Freezer (model 243038). Connects to listed unit to allow for complete service of refrigerators and freezers., Lot of 1