Blade for lawn tractor lawnmower mower for 38" deck A: 490mm B: 5 points C: 10mm D: 100mm E: 5. 5mm F: 64mm A: diagonal blade length B: Ø centre hole C: Ø positioning holes D: positioning hole spacing E: blade thickness F: blade width HUSQVARNA Part No.: R302397 Original part No.: 532127842 532138497 also compatible with john deere 36" twin blade r.o M84402 M112991 M83459 AT