Cutting blade compatible with lawn tractor lawn mower MTD - WOLF - BOLENS TECHNICAL CHARACTERISTICS Distance between holes in mm: 63,50 Central hole: Round width in mm: 68,00 length in mm: 604,00 Direction of rotation: clockwise thickness in mm: 4,00 Ø external hole in mm: 8,00 code: 122-840 original code: 742-04031 CZ