Blade for lawn tractor mower mower for 22" deck A diagonal blade length: 555mm B Centre hole: 14mm C Centre hole: 9.5mm D Positioning hole spacing: 47mm E Blade thickness: 5mm F Blade width: 64mm AYP Code: R320067 Original Code: 850973 COMPATIBLE ALSO WITH HUSQVARNA R.O.: 850973 AT