Professional range - Blade for HONDA models HRB535, HRB536, HRD535, HRD536, HRG536C, HRH536, IZY 535 SDE - L: 531mm, central bore: 22,1mm, pitch center: 92mm. Replaces original: 72511-VE1-650, 72511-VE1-651, 72511-VE1-652, 72511-VE1-652NM, 72511-VE1-E0, 72511-VE1-E50, 72511-VE1-E50NM, 72511-VF0-000, 72511-VG0-C50, 72511-VG0-C50NM, 72511-VG0-B50.