This offset blade replaces Honda OEM#'s 08750-960-333, 72511-960-000, 72511-960-004, 72511-960-020, 72511-VA2-010, 72511-VA2-690, 72511-VA4-000, M2100-576-91938. Fits 21" Honda models: HR215, HR216. 15-6458, 6458, 325-001. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number(s) listed.