Blade for lawn tractor mower mower for 39" deck BILAMA A: 500mm B: 9.5mm C: 9mm D: 102mm E: 3.5mm F: 50mm A: diagonal blade length B: centre hole dia. C: positioning hole dia. D: positioning hole dia. E: blade thickness F: blade width NOMA Code: R302488 Original code: 57299 309069 AT