Casters, 5 In. x 2 In. Roller Bearing, Includes (2) Fixed, (2) Swivel Casters, For Use With Mfr. Model Number 10491, 10493, 10494, 10495, 21040, 21041, 21042, 273, 273X, 275, 275X, 277, 277X, 28085, 28087, 28197, 2907, 2907X, 293, 293X, 295, 295X, 297, 297X, 310, 310X, 315, 315X, 3407, 3407X, 376, 376X, 378, 378X, Fits Brand Kennedy, For Use With Roller Cabinets Manufactured After 9/6/2016, Roller Cabinets Manufactured Before 12/31/2002, Package Quantity 4