9 Pack - Stens 330-501 Hi-Lift Blades for John Deere Mowers w/ 60" 7 Iron Decks TCU15881 Pack of 9 - Stens 330-501 Hi-Lift Blades Replaces OEM: John Deere M128485, M131958, M144196, M163983, TCU15881 Fits John Deere 737, 757, 777, 797, 997 and 7-Iron; requires 3 for 60" deck Length: 21" x Width: 3" 0.236" thickness