MTD-compatible lawn tractor mower blade holder hub Length (mm): 138 Blade holder (mm): flange with fine toothing Weight: 938 g For models: MTD 11/81 , 11/91 , 12/36 , 12/81 , 12/91 , 110/810 , 111/910 N , 112/910 , 112/910 N , 115/81 , 665 E , 1450 E , AM 1150 , B 10 , B 11 , B 12 , B 100 , B 114 , B 115 , B 117 , B 118 , B 120 , B 125 , B 128 , Golden Sprint , Junior 92 , L 120 , Sprint 800 , Sprint 850 , Sprint 900 , T 81 , TD 4115 , TD 4125 Part no: 25270028 Original part number: 753-05405 917-0900A 717-0900 717-0900A MTD SR m