Stens 330-872 Hi-Lift Blade, Pack of 2 Replaces Cub Cadet, MTD and Troy-Bilt OEM : 490-110-M108, 742-04308, 742-04312, 742-0656, 942-04308, 942-04312, 942-0656, OCC-742-04312, OEM-742-04308 Fits Models: Craftsman - 247.28980; Cub Cadet - RZT42, 2011 and newer; requires 2 for 42" deck Length : 21 1/4"; Center Hole : 6 pt. star; Width: 2 1/2"; Thickness: 0.164"