Lawn mower blade underblade adaptable 34-569 TORO 57-4980 63-8560 Lawn mower blade underblade Adaptable to : GM3, GM300, GM3000, GM3100 Features : LENGTH: 540 mm WIDTH: 62 mm NUMBER OF HOLES: 13 HOLE DIAMETER: 9.5 mm CUTTING BOARD HEIGHT: 5.5 mm Code : 34-569 Original part number reference : 57-4980 63-8560 TORO