Blade for lawn mower MTD 3210 E MTD 3290 E MTD FF 307-1 MTD FF 317 MTD JUNIOR 31 MTD MZ/X 32 MTD OPTI 3210 Features : Length: 307 mm Centre hole diameter: 17.1 mm Code: 22-922 Reference code: 742-0836 , 916-0801 , 942-0836 MTD