Blade for lawn mower HRB425-PD-SD-SX A: 425mm B: 22mm C: 10mm D: 88mm E: 3mm F: 88mm A: diagonal blade length B: centre hole dia. C: centre hole dia. D: centre hole dia. D: centre hole dia. E: blade thickness F: blade width HONDA Code: R302758 Original Code: 72511VG8010 AT