Compatible blade for lawn mower MTD MTD B10 MTD B100 MTD B115 MTD SUPER 18 Features : Length: 413 mm Centre hole diameter: 10.3 mm Side hole diameter: 7.9 mm Side hole centre distance: 63.5 mm Code : 22-177 Reference code : 742-0477 , 742-0480 , 742-0487 , 742-0487A 942-0477 , 942-0480 , 942-0487A MTD