This is a A-ZA526216 Blade, Disc Mower, LH PN: ZA526216Main Description As Following : A-ZA526216 Blade, Disc Mower, LH P.N: ZA526216 Sold In Multiples Of 25Hole Diameter: .728" / 18.5 mmLength: 4.724" / 120 mmThickness: .157" / 4 mmType: 10 LHWidth: 1.890" / 48 mm Stocked As: A-76N921 Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Case-IH MOWER, DISC: 3204 (W/ Standard Disc), Case-IH MOWER, DISC: 3205 (W/ Standard Disc), Case-IH MOWER, DISC: 3206 (W/ Standard Disc), Case-IH MOWER, DISC: 3209 (W/ Standard Disc) Associated Items : New Also This is An Aftermarket Product And : Hole Diameter: .728" / 18.5 mm Type: 10 LH