Swivel Caster, 4 In. Polyurethane, For Use With Grainger Item Number 10F466, 10F467, 10F468, 10F469, 10F470, 1MDN9, 1MDR1, 1MDR2, 1MDR3, 1MDR4, 22E937, 22E938, 22E939, 22E940, 22E942, 22E943, 22E944, 22E945, 22E946, 22E951, 22E961, 22E962, 22E963, 22E964, 22E965, 22F134, 22F135, 22F136, 22F137, 22F138, 22F139, 22F140, 22F141, 22F142, 22F143, 22F144, 22F145, 22F146, 2ENA9, 2ENC1, 2ENC2, 2ENC3, 2ENC8, 2ENC9, 2END1, 2END2, 2END3, 2END4, 2END5, 2END6, 2END7, 2END8, 2HEG5, 2HEG6, 2HEG7, 2HEG8, 2HEJ8