John Deere Original Equipment Coarse Section Knife (3-PACK) - H226352 This includes 3 Coarse Section Knife H226352's The part specifications for H226352: Part Number: H226352 Part Name: Coarse Section Knife Hole Spacing(IN): 2.0000 Width(IN): 3.9882 Hole Size(IN): 0.6142 Length(IN): 3.2480 Thickness(IN): 0.1098 Offset(IN): 0.9941 Edge / Hole(IN): 1.1496 Material(ALPHA): 1080F Finish(ALPHA): C - Heat Treated and Plated This H226352 Coarse Section Knife fits these models: 630FD Flex Draper Platform (North American Edition) 640FD Flex Draper Platform (North American Edition) 645FD Flex Draper Platform (Worldwide Edition) 730FD Flex Draper Platform (Worldwide Edition) 735FD Flex Draper Platform (Worldwide Edition) 740FD Flex Draper Platform (Worldwide Edition) 745FD Flex Draper Platform (Worldwide Edition) HD35F Hinged Draper Flex Cutter Bar HD35R Hinged Draper Rigid Cutter Bar HD35X Hinged Draper Extended Cutter Bar HD40F Hinged Draper Flex Cutter Bar HD40R Hinged Draper Rigid Cutter Bar HD40X Hinged Draper Extended Cutter Bar HD45F Hinged Draper Flex Cutter Bar HD45R Hinged Draper Rigid Cutter Bar HD45X Hinged Draper Extended Cutter Bar HD50F Hinged Draper Flex Cutter Bar HD50R Hinged Draper Rigid Cutter Bar RD30F Rigid Draper Flex Cutter Bar RD35F Rigid Draper Flex Cutter Bar RD40F Rigid Draper Flex Cutter Bar RD45F Rigid Draper Flex Cutter Bar This is an OEM John Deere part.