Oregon 598-627, BLADE, GATORB G5B MTD 16-1/4 IN 6PK GATORB G5B Also Replaces: MTD: 742-0542, 7420542, 89137359, 942-0542, 9420542 TROY-BILT: 742-0542, 742-0611, 7420611, 89137359, 942-0542, 942-0611, 9420611 Product Code:598627